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class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>High Speed Downlink Packet Access (HSDPA)</span> </div> </a> <button aria-controls="toc-High_Speed_Downlink_Packet_Access_(HSDPA)-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle High Speed Downlink Packet Access (HSDPA) subsection</span> </button> <ul id="toc-High_Speed_Downlink_Packet_Access_(HSDPA)-sublist" class="vector-toc-list"> <li id="toc-User_equipment_categories" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#User_equipment_categories"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>User equipment categories</span> </div> </a> <ul id="toc-User_equipment_categories-sublist" class="vector-toc-list"> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.1</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Adoption" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Adoption"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Adoption</span> </div> </a> <ul id="toc-Adoption-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-High_Speed_Uplink_Packet_Access_(HSUPA)" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#High_Speed_Uplink_Packet_Access_(HSUPA)"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>High Speed Uplink Packet Access (HSUPA)</span> </div> </a> <button aria-controls="toc-High_Speed_Uplink_Packet_Access_(HSUPA)-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle High Speed Uplink Packet Access (HSUPA) subsection</span> </button> <ul id="toc-High_Speed_Uplink_Packet_Access_(HSUPA)-sublist" class="vector-toc-list"> <li id="toc-Technology" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Technology"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Technology</span> </div> </a> <ul id="toc-Technology-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-User_equipment_categories_2" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#User_equipment_categories_2"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>User equipment categories</span> </div> </a> <ul id="toc-User_equipment_categories_2-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Evolved_High_Speed_Packet_Access_(HSPA+)" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Evolved_High_Speed_Packet_Access_(HSPA+)"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Evolved High Speed Packet Access (HSPA+)</span> </div> </a> <ul id="toc-Evolved_High_Speed_Packet_Access_(HSPA+)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bibliography" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bibliography"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Bibliography</span> </div> </a> <ul id="toc-Bibliography-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" 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Available in 25 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-25" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">25 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D9%88%D8%B5%D9%88%D9%84_%D8%B9%D8%A7%D9%84%D9%8A_%D8%A7%D9%84%D8%B3%D8%B1%D8%B9%D8%A9_%D9%84%D8%B1%D8%B2%D9%85_%D8%A7%D9%84%D8%A8%D9%8A%D8%A7%D9%86%D8%A7%D8%AA" title="الوصول عالي السرعة لرزم البيانات – Arabic" lang="ar" hreflang="ar" data-title="الوصول عالي السرعة لرزم البيانات" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B9%E0%A6%BE%E0%A6%87_%E0%A6%B8%E0%A7%8D%E0%A6%AA%E0%A6%BF%E0%A6%A1_%E0%A6%AA%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%95%E0%A7%87%E0%A6%9F_%E0%A6%85%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%95%E0%A7%8D%E0%A6%B8%E0%A7%87%E0%A6%B8" title="হাই স্পিড প্যাকেট অ্যাক্সেস – Bangla" lang="bn" hreflang="bn" data-title="হাই স্পিড প্যাকেট অ্যাক্সেস" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – Belarusian" lang="be" hreflang="be" data-title="High Speed Packet Access" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/HSPA" title="HSPA – Catalan" lang="ca" hreflang="ca" data-title="HSPA" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – German" lang="de" hreflang="de" data-title="High Speed Packet Access" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/HSPA" title="HSPA – Estonian" lang="et" hreflang="et" data-title="HSPA" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/High-Speed_Packet_Access" title="High-Speed Packet Access – Spanish" lang="es" hreflang="es" data-title="High-Speed Packet Access" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AF%D8%B3%D8%AA%D8%B1%D8%B3%DB%8C_%D8%A8%D9%87_%D8%A8%D8%B3%D8%AA%D9%87%E2%80%8C%D9%87%D8%A7%DB%8C_%D9%BE%D8%B1%D8%B3%D8%B1%D8%B9%D8%AA" title="دسترسی به بسته‌های پرسرعت – Persian" lang="fa" hreflang="fa" data-title="دسترسی به بسته‌های پرسرعت" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – French" lang="fr" hreflang="fr" data-title="High Speed Packet Access" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%A0%EC%86%8D_%ED%8C%A8%ED%82%B7_%EC%A0%91%EC%86%8D" title="고속 패킷 접속 – Korean" lang="ko" hreflang="ko" data-title="고속 패킷 접속" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Akses_Paket_Kecepatan_Tinggi" title="Akses Paket Kecepatan Tinggi – Indonesian" lang="id" hreflang="id" data-title="Akses Paket Kecepatan Tinggi" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/High-Speed_Packet_Access" title="High-Speed Packet Access – Italian" lang="it" hreflang="it" data-title="High-Speed Packet Access" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/High-Speed_Packet_Access" title="High-Speed Packet Access – Hebrew" lang="he" hreflang="he" data-title="High-Speed Packet Access" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/HSPA" title="HSPA – Japanese" lang="ja" hreflang="ja" data-title="HSPA" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="High Speed Packet Access" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/HSPA" title="HSPA – Portuguese" lang="pt" hreflang="pt" data-title="HSPA" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – Romanian" lang="ro" hreflang="ro" data-title="High Speed Packet Access" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – Russian" lang="ru" hreflang="ru" data-title="High Speed Packet Access" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/HSPA" title="HSPA – Serbian" lang="sr" hreflang="sr" data-title="HSPA" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/HSPA" title="HSPA – Sundanese" lang="su" hreflang="su" data-title="HSPA" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/HSPA" title="HSPA – Finnish" lang="fi" hreflang="fi" data-title="HSPA" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/HSPA" title="HSPA – Turkish" lang="tr" hreflang="tr" data-title="HSPA" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/High_Speed_Packet_Access" title="High Speed Packet Access – Ukrainian" lang="uk" hreflang="uk" data-title="High Speed Packet Access" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DB%81%D8%A7%D8%A6%DB%8C_%D8%B3%D9%BE%DB%8C%DA%88_%D9%BE%DB%8C%DA%A9%D9%B9_%D8%A7%DB%8C%DA%A9%D8%B3%DB%8C%D8%B3" title="ہائی سپیڈ پیکٹ ایکسیس – Urdu" lang="ur" hreflang="ur" data-title="ہائی سپیڈ پیکٹ ایکسیس" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%AB%98%E9%80%9F%E5%B0%81%E5%8C%85%E5%AD%98%E5%8F%96" title="高速封包存取 – Chinese" lang="zh" hreflang="zh" data-title="高速封包存取" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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screen{html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><table class="sidebar nomobile nowraplinks"><tbody><tr><td class="sidebar-pretitle">Part of <a href="/wiki/Category:Mobile_telecommunications" title="Category:Mobile telecommunications">a series</a> on the</td></tr><tr><th class="sidebar-title-with-pretitle"><a href="/wiki/List_of_wireless_network_technologies" title="List of wireless network technologies">Wireless network technologies</a></th></tr><tr><td class="sidebar-image"><span typeof="mw:File"><a href="/wiki/File:Cellular_network_standards_and_generation_timeline.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cellular_network_standards_and_generation_timeline.svg/200px-Cellular_network_standards_and_generation_timeline.svg.png" decoding="async" width="200" height="152" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cellular_network_standards_and_generation_timeline.svg/300px-Cellular_network_standards_and_generation_timeline.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cellular_network_standards_and_generation_timeline.svg/400px-Cellular_network_standards_and_generation_timeline.svg.png 2x" data-file-width="605" data-file-height="459" /></a></span></td></tr><tr><th class="sidebar-heading"> Analog</th></tr><tr><td class="sidebar-content"> <div class="plainlist"><ul style="text-align:center;"><li><a href="/wiki/Mobile_radio_telephone" title="Mobile radio telephone">0G</a></li><li><a href="/wiki/1G" title="1G">1G</a> (<a href="/wiki/Digital_AMPS" title="Digital AMPS">1.5G</a>)</li></ul></div></td> </tr><tr><th class="sidebar-heading"> Digital</th></tr><tr><td class="sidebar-content"> <div class="plainlist"><ul style="text-align:center;"><li><a href="/wiki/2G" title="2G">2G</a> (<a href="/wiki/General_Packet_Radio_Service" title="General Packet Radio Service">2.5G</a>, <a href="/wiki/Enhanced_Data_rates_for_GSM_Evolution" title="Enhanced Data rates for GSM Evolution"> 2.75G</a>, <a href="/wiki/CDMA2000_1x" class="mw-redirect" title="CDMA2000 1x">2.9G</a>)</li><li><a href="/wiki/3G" title="3G">3G</a> (<a class="mw-selflink selflink">3.5G</a>, <a href="/wiki/Evolved_High_Speed_Packet_Access" title="Evolved High Speed Packet Access">3.75G</a>, <a href="/wiki/LTE_(telecommunication)" title="LTE (telecommunication)">3.9G/3.95G</a>)</li><li><a href="/wiki/4G" title="4G">4G</a> (<a href="/wiki/IMT_Advanced" title="IMT Advanced">4G/4.5G</a>, <a href="/wiki/LTE_Advanced" title="LTE Advanced">4.5G</a>, <a href="/wiki/LTE_Advanced_Pro" class="mw-redirect" title="LTE Advanced Pro">4.9G</a>)</li><li><a href="/wiki/5G" title="5G">5G</a> (<a href="/wiki/Ultra-wideband" title="Ultra-wideband">5.25G</a>, <a href="/wiki/5G-Advanced" class="mw-redirect" title="5G-Advanced">5.5G</a>)</li><li><a href="/wiki/6G" title="6G">6G</a></li></ul></div></td> </tr><tr><td class="sidebar-below"> <a href="/wiki/Mobile_telephony" title="Mobile telephony">Mobile telecommunications</a></td></tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:List_of_mobile_phone_generations" title="Template:List of mobile phone generations"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:List_of_mobile_phone_generations" title="Template talk:List of mobile phone generations"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:List_of_mobile_phone_generations" title="Special:EditPage/Template:List of mobile phone generations"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>High Speed Packet Access</b> (<b>HSPA</b>)<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> is an amalgamation of two <a href="/wiki/Mobile_telephony" title="Mobile telephony">mobile</a> <a href="/wiki/Communications_protocol" class="mw-redirect" title="Communications protocol">protocols</a>—High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA)—that extends and improves the performance of existing <a href="/wiki/3G" title="3G">3G</a> mobile telecommunication networks using the <a href="/wiki/WCDMA" class="mw-redirect" title="WCDMA">WCDMA</a> protocols. A further-improved <a href="/wiki/3GPP" title="3GPP">3GPP</a> standard called <a href="/wiki/Evolved_High_Speed_Packet_Access" title="Evolved High Speed Packet Access">Evolved High Speed Packet Access</a> (also known as HSPA+) was released late in 2008, with subsequent worldwide adoption beginning in 2010. The newer standard allows <a href="/wiki/Bit_rates" class="mw-redirect" title="Bit rates">bit rates</a> to reach as high as 337 Mbit/s in the downlink and 34 Mbit/s in the uplink; however, these speeds are rarely achieved in practice.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=1" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The first HSPA specifications supported increased peak data rates of up to 14 Mbit/s in the downlink and 5.76 Mbit/s in the uplink. They also reduced latency and provided up to five times more system capacity in the downlink and up to twice as much system capacity in the uplink compared with original WCDMA protocol. </p> <div class="mw-heading mw-heading2"><h2 id="High_Speed_Downlink_Packet_Access_(HSDPA)"><span id="High_Speed_Downlink_Packet_Access_.28HSDPA.29"></span>High Speed Downlink Packet Access (HSDPA)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=2" title="Edit section: High Speed Downlink Packet Access (HSDPA)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Cellular_network_standards_and_generation_timeline.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cellular_network_standards_and_generation_timeline.svg/220px-Cellular_network_standards_and_generation_timeline.svg.png" decoding="async" width="220" height="167" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cellular_network_standards_and_generation_timeline.svg/330px-Cellular_network_standards_and_generation_timeline.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Cellular_network_standards_and_generation_timeline.svg/440px-Cellular_network_standards_and_generation_timeline.svg.png 2x" data-file-width="605" data-file-height="459" /></a><figcaption>Cellular network standards and generation timeline</figcaption></figure> <p><b>High Speed Downlink Packet Access</b> (<b>HSDPA</b>) is an enhanced <a href="/wiki/3G" title="3G">3G</a> (third-generation) <a href="/wiki/Mobile_telephony" title="Mobile telephony">mobile</a> <a href="/wiki/Communications_protocol" class="mw-redirect" title="Communications protocol">communications protocol</a> in the High-Speed Packet Access (HSPA) family. HSDPA is also known as <b>3.5G</b> and <i>3G+</i>. It allows networks based on the <a href="/wiki/Universal_Mobile_Telecommunications_System" class="mw-redirect" title="Universal Mobile Telecommunications System">Universal Mobile Telecommunications System</a> (UMTS) to have higher data speeds and capacity. HSDPA also decreases <a href="/wiki/Latency_(engineering)" title="Latency (engineering)">latency</a>, and therefore the <a href="/wiki/Round-trip_time" class="mw-redirect" title="Round-trip time">round-trip time</a> for applications. </p><p>HSDPA was introduced in <a href="/wiki/3GPP" title="3GPP">3GPP</a> Release 5. It was accompanied by an improvement to the uplink that provided a new bearer of 384 kbit/s (the previous maximum bearer was 128 kbit/s). <a href="/wiki/Evolved_High_Speed_Packet_Access" title="Evolved High Speed Packet Access">Evolved High Speed Packet Access</a> (HSPA+), introduced in 3GPP Release 7, further increased data rates by adding 64QAM modulation, <a href="/wiki/MIMO" title="MIMO">MIMO</a>, and <a href="/wiki/Dual-Carrier_HSDPA" class="mw-redirect" title="Dual-Carrier HSDPA">Dual-Carrier HSDPA</a> operation. Under 3GPP Release 11, even higher speeds of up to 337.5 Mbit/s were possible.<sup id="cite_ref-gsmworld_3-0" class="reference"><a href="#cite_note-gsmworld-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The first phase of HSDPA was specified in 3GPP Release 5. This phase introduced new basic functions and was aimed to achieve peak data rates of 14.0 Mbit/s with significantly reduced latency. The improvement in speed and latency reduced the cost per bit and enhanced support for high-performance packet data applications. HSDPA is based on shared channel transmission, and its key features are shared channel and multi-code transmission, <a href="/wiki/Higher-order_modulation" title="Higher-order modulation">higher-order modulation</a>, short <a href="/wiki/Transmission_Time_Interval" title="Transmission Time Interval">Transmission Time Interval</a> (TTI), fast link adaptation and scheduling, and fast <a href="/wiki/Hybrid_automatic_repeat_request" title="Hybrid automatic repeat request">hybrid automatic repeat request</a> (HARQ). Additional new features include the High Speed Downlink Shared Channels (HS-DSCH), <a href="/wiki/Quadrature_phase-shift_keying" class="mw-redirect" title="Quadrature phase-shift keying">quadrature phase-shift keying</a>, 16-<a href="/wiki/Quadrature_amplitude_modulation" title="Quadrature amplitude modulation">quadrature amplitude modulation</a>, and the High Speed Medium Access protocol (MAC-hs) in base stations. </p><p>The upgrade to HSDPA is often just a software update for WCDMA networks. In HSDPA, voice calls are usually prioritized over data transfer. </p> <div class="mw-heading mw-heading3"><h3 id="User_equipment_categories">User equipment categories</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=3" title="Edit section: User equipment categories"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The following table is derived from table 5.1a of the release 11 of 3GPP TS 25.306<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and shows maximum data rates of different device classes and by what combination of features they are achieved. The per-cell, per-stream data rate is limited by the "maximum number of bits of an HS-DSCH transport block received within an HS-DSCH TTI" and the "minimum inter-TTI interval". The TTI is 2 milliseconds. So, for example, Cat 10 can decode 27,952 bits / 2 ms = 13.976 Mbit/s (and not 14.4 Mbit/s as often claimed incorrectly). Categories 1-4 and 11 have inter-TTI intervals of 2 or 3, which reduces the maximum data rate by that factor. Dual-Cell and MIMO 2x2 each multiply the maximum data rate by 2, because multiple independent transport blocks are transmitted over different carriers or spatial streams, respectively. The data rates given in the table are rounded to one decimal point. </p> <table class="wikitable collapsible collapsed" style="text-align:center"> <tbody><tr> <th colspan="7">HSDPA User Equipment (UE) categories </th></tr> <tr> <th>Category </th> <th>Release </th> <th>Max. number of HS-DSCH codes (per cell) </th> <th>Modulation <sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>note 1<span class="cite-bracket">]</span></a></sup> </th> <th>MIMO, Multi-Cell </th> <th><a href="/wiki/Code_rate" title="Code rate">Code rate</a> at max. data rate<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>note 2<span class="cite-bracket">]</span></a></sup> </th> <th>Max. downlink speed (Mbit/s)<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>note 3<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td>1 </td> <td>5 </td> <td>5 </td> <td><a href="/wiki/16-QAM" class="mw-redirect" title="16-QAM">16-QAM</a> </td> <td> </td> <td>.76 </td> <td>1.2 </td></tr> <tr> <td>2 </td> <td>5 </td> <td>5 </td> <td>16-QAM </td> <td> </td> <td>.76 </td> <td>1.2 </td></tr> <tr> <td>3 </td> <td>5 </td> <td>5 </td> <td>16-QAM </td> <td> </td> <td>.76 </td> <td>1.8 </td></tr> <tr> <td>4 </td> <td>5 </td> <td>5 </td> <td>16-QAM </td> <td> </td> <td>.76 </td> <td>1.8 </td></tr> <tr> <td>5 </td> <td>5 </td> <td>5 </td> <td>16-QAM </td> <td> </td> <td>.76 </td> <td>3.6 </td></tr> <tr> <td>6 </td> <td>5 </td> <td>5 </td> <td>16-QAM </td> <td> </td> <td>.76 </td> <td>3.6 </td></tr> <tr> <td>7 </td> <td>5 </td> <td>10 </td> <td>16-QAM </td> <td> </td> <td>.75 </td> <td>7.2 </td></tr> <tr> <td>8 </td> <td>5 </td> <td>10 </td> <td>16-QAM </td> <td> </td> <td>.76 </td> <td>7.2 </td></tr> <tr> <td>9 </td> <td>5 </td> <td>15 </td> <td>16-QAM </td> <td> </td> <td>.70 </td> <td>10.1 </td></tr> <tr> <td>10 </td> <td>5 </td> <td>15 </td> <td>16-QAM </td> <td> </td> <td>.97 </td> <td>14.0 </td></tr> <tr> <td>11 </td> <td>5 </td> <td>5 </td> <td><a href="/wiki/QPSK" class="mw-redirect" title="QPSK">QPSK</a> </td> <td> </td> <td>.76 </td> <td>0.9 </td></tr> <tr> <td>12 </td> <td>5 </td> <td>5 </td> <td>QPSK </td> <td> </td> <td>.76 </td> <td>1.8 </td></tr></tbody></table> <p>Further UE categories were defined from 3GGP Release 7 onwards as <b>Evolved HSPA</b> (<b>HSPA+</b>) and are listed in <a href="/wiki/Evolved_High_Speed_Packet_Access#User_Equipment_(UE)_Categories" title="Evolved High Speed Packet Access">Evolved HSDPA UE Categories</a>. </p> <div class="mw-heading mw-heading4"><h4 id="Notes">Notes</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=4" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">16-QAM implies QPSK support, 64-QAM implies 16-QAM and QPSK support.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text">The maximal code rate is not limited. A value close to 1 in this column indicates that the maximum data rate can be achieved only in ideal conditions. The device is therefore connected directly to the transmitter to demonstrate these data rates.</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text">The maximum data rates given in the table are physical layer data rates. Application layer data rate is approximately 85% of that, due to the inclusion of IP headers (<a href="/wiki/Overhead_information" class="mw-redirect" title="Overhead information">overhead information</a>) etc.</span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Adoption">Adoption</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=5" title="Edit section: Adoption"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:O2-DE-UMTS-reduced-bandwidth-as-GPRS.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/O2-DE-UMTS-reduced-bandwidth-as-GPRS.png/220px-O2-DE-UMTS-reduced-bandwidth-as-GPRS.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/O2-DE-UMTS-reduced-bandwidth-as-GPRS.png/330px-O2-DE-UMTS-reduced-bandwidth-as-GPRS.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ea/O2-DE-UMTS-reduced-bandwidth-as-GPRS.png/440px-O2-DE-UMTS-reduced-bandwidth-as-GPRS.png 2x" data-file-width="716" data-file-height="716" /></a><figcaption><a href="/wiki/GPRS" class="mw-redirect" title="GPRS">GPRS</a>-speed in a <a href="/wiki/Mobile_broadband" title="Mobile broadband">HSDPA</a> plan</figcaption></figure> <p>As of 28 August 2009<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=High_Speed_Packet_Access&action=edit">[update]</a></sup>, 250 HSDPA networks had commercially launched <a href="/wiki/Mobile_broadband" title="Mobile broadband">mobile broadband</a> services in 109 countries. 169 HSDPA networks supported 3.6 Mbit/s peak downlink data throughput, and a growing number delivered 21 Mbit/s peak data downlink.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2021)">citation needed</span></a></i>]</sup> </p><p><a href="/wiki/CDMA2000" title="CDMA2000">CDMA2000</a>-<a href="/wiki/EVDO" class="mw-redirect" title="EVDO">EVDO</a> networks had the early lead on performance. In particular, <a href="/wiki/Japan" title="Japan">Japanese</a> providers were highly successful benchmarks for this network standard. However, this later changed in favor of HSDPA, as an increasing number of providers worldwide began adopting it. </p><p>In 2007, an increasing number of telcos worldwide began selling <a href="/wiki/Mobile_broadband_modem" title="Mobile broadband modem">HSDPA USB modems</a> to provide mobile broadband connections. In addition, the popularity of HSDPA landline replacement boxes grew—these provided HSDPA for data via <a href="/wiki/Ethernet" title="Ethernet">Ethernet</a> and <a href="/wiki/Wi-Fi" title="Wi-Fi">Wi-Fi</a>, as well as ports for connecting traditional landline telephones. Some were marketed with connection speeds of "up to 7.2 Mbit/s"<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> under ideal conditions. However, these services could be slower, such as when in fringe coverage indoors. </p> <div class="mw-heading mw-heading2"><h2 id="High_Speed_Uplink_Packet_Access_(HSUPA)"><span id="High_Speed_Uplink_Packet_Access_.28HSUPA.29"></span>High Speed Uplink Packet Access (HSUPA)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=6" title="Edit section: High Speed Uplink Packet Access (HSUPA)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>High-Speed Uplink Packet Access</b> (<b>HSUPA</b>) is a 3G mobile telephony <a href="/wiki/Communications_protocol" class="mw-redirect" title="Communications protocol">protocol</a> in the HSPA family. It is specified and standardized in 3GPP Release 6 to improve the uplink data rate to 5.76 Mbit/s, extend capacity, and reduce latency. Together with additional improvements, this allows for new features such as <a href="/wiki/Voice_over_Internet_Protocol" class="mw-redirect" title="Voice over Internet Protocol">Voice over Internet Protocol</a> (VoIP), uploading pictures, and sending large e-mail messages. </p><p>HSUPA was the second major step in the UMTS evolution process. It has since been superseded by newer technologies with higher transfer rates, such as <a href="/wiki/LTE_(telecommunication)" title="LTE (telecommunication)">LTE</a> (150 Mbit/s for downlink and 50 Mbit/s for uplink) and <a href="/wiki/LTE_Advanced" title="LTE Advanced">LTE Advanced</a> (maximum downlink rates of over 1 Gbit/s). </p> <div class="mw-heading mw-heading3"><h3 id="Technology">Technology</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=7" title="Edit section: Technology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>HSUPA adds a new transport channel to WCDMA, called the Enhanced Dedicated Channel (E-DCH). It also features several improvements similar to those of HSDPA, including multi-code transmission, shorter transmission time interval enabling faster <a href="/wiki/Link_adaptation" title="Link adaptation">link adaptation</a>, fast scheduling, and fast <a href="/wiki/Hybrid_automatic_repeat_request" title="Hybrid automatic repeat request">hybrid automatic repeat request</a> (HARQ) with incremental redundancy, making <a href="/wiki/Retransmission_(data_networks)" title="Retransmission (data networks)">retransmissions</a> more effective. Similar to HSDPA, HSUPA uses a "packet scheduler", but it operates on a "request-grant" principle where the <a href="/wiki/User_equipment" title="User equipment">user equipment</a> (UE) requests permission to send data and the scheduler decides when and how many UEs will be allowed to do so. A request for transmission contains data about the state of the transmission buffer and the queue at the UE and its available power margin. However, unlike HSDPA, uplink transmissions are not <a href="/wiki/Orthogonality#Telecommunications" title="Orthogonality">orthogonal</a> to each other. </p><p>In addition to this "scheduled" mode of transmission, the standards allow a self-initiated transmission mode from the UEs, denoted "non-scheduled". The non-scheduled mode can, for example, be used for VoIP services for which even the reduced TTI and the <a href="/wiki/Node_B" title="Node B">Node B</a> based scheduler are unable to provide the necessary short delay time and constant bandwidth. </p><p>Each MAC-d flow (i.e., QoS flow) is configured to use either scheduled or non-scheduled modes. The UE adjusts the data rate for scheduled and non-scheduled flows independently. The maximum data rate of each non-scheduled flow is configured at call setup, and typically not frequently changed. The power used by the scheduled flows is controlled dynamically by the Node B through absolute grant (consisting of an actual value) and relative grant (consisting of a single up/down bit) messages. </p><p>At the <a href="/wiki/Physical_layer" title="Physical layer">physical layer</a>, HSUPA introduces the following new channels: </p> <ul><li>E-AGCH (Absolute Grant Channel)</li> <li>E-RGCH (Relative Grant Channel)</li> <li>F-DPCH (Fractional-DPCH)</li> <li>E-HICH (E-DCH Hybrid ARQ Indicator Channel)</li> <li>E-DPCCH (E-DCH Dedicated Physical Control Channel) – carries the control information associated with the E-DCH Transport Channel</li> <li>E-DPDCH (E-DCH Dedicated Physical Data Channel) – carries the E-DCH Transport Channel</li></ul> <div class="mw-heading mw-heading3"><h3 id="User_equipment_categories_2">User equipment categories</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=8" title="Edit section: User equipment categories"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The following table shows uplink speeds for the different categories of HSUPA: </p> <table class="wikitable collapsible collapsed" style="text-align:center"> <tbody><tr> <th colspan="4">HSUPA User Equipment (UE) categories </th></tr> <tr> <th>HSUPA<br />Category </th> <th>Release </th> <th>Max.<br />Uplink<br />Speed<br /><small>(Mbit/s)</small> </th> <th>Modulation </th></tr> <tr> <td>1 </td> <td>6 </td> <td>0.73 </td> <td><a href="/wiki/QPSK" class="mw-redirect" title="QPSK">QPSK</a> </td></tr> <tr> <td>2 </td> <td>6 </td> <td>1.46 </td> <td>QPSK </td></tr> <tr> <td>3 </td> <td>6 </td> <td>1.46 </td> <td>QPSK </td></tr> <tr> <td>4 </td> <td>6 </td> <td>2.93 </td> <td>QPSK </td></tr> <tr> <td>5 </td> <td>6 </td> <td>2.00 </td> <td>QPSK </td></tr> <tr> <td>6 </td> <td>6 </td> <td>5.76 </td> <td>QPSK </td></tr></tbody></table> <p>Further UE categories were defined from 3GGP Release 7 onwards as Evolved HSPA (HSPA+) and are listed in <a href="/wiki/Evolved_High_Speed_Packet_Access#User_Equipment_(UE)_Categories_2" title="Evolved High Speed Packet Access">Evolved HSUPA UE Categories</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Evolved_High_Speed_Packet_Access_(HSPA+)"><span id="Evolved_High_Speed_Packet_Access_.28HSPA.2B.29"></span>Evolved High Speed Packet Access (HSPA+)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=9" title="Edit section: Evolved High Speed Packet Access (HSPA+)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Evolved_High_Speed_Packet_Access" title="Evolved High Speed Packet Access">Evolved High Speed Packet Access</a></div> <p><a href="/wiki/Evolved_HSPA" class="mw-redirect" title="Evolved HSPA">Evolved HSPA</a> (also known as HSPA Evolution, HSPA+) is a wireless broadband standard defined in <a href="/wiki/3GPP" title="3GPP">3GPP</a> release 7 of the WCDMA specification. It provides extensions to the existing HSPA definitions and is therefore <a href="/wiki/Backward_compatible" class="mw-redirect" title="Backward compatible">backward compatible</a> all the way to the original Release 99 WCDMA network releases. Evolved HSPA provides data rates between 42.2 and 56 Mbit/s in the downlink and 22 Mbit/s in the uplink (per 5 MHz carrier) with multiple input, multiple output (2x2 MIMO) technologies and higher order modulation (64 QAM). With Dual Cell technology, these can be doubled. </p><p>Since 2011, HSPA+ has been widely deployed among WCDMA operators, with nearly 200 commitments.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=10" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output 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sistersitebox"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:High_Speed_Packet_Access" class="extiw" title="commons:Category:High Speed Packet Access">High Speed Packet Access</a></span>.</div></div> </div> <ul><li><a href="/wiki/Broadband" title="Broadband">Broadband</a></li> <li><a href="/wiki/Cellular_router" class="mw-redirect" title="Cellular router">Cellular router</a></li> <li><a href="/wiki/DigRF_V3" class="mw-redirect" title="DigRF V3">DigRF V3</a></li> <li><a href="/wiki/Global_mobile_Suppliers_Association" class="mw-redirect" title="Global mobile Suppliers Association">Global mobile Suppliers Association</a></li> <li><a href="/wiki/Internet_access" title="Internet access">Internet access</a></li> <li><a href="/wiki/List_of_device_bandwidths" class="mw-redirect" title="List of device bandwidths">List of device bandwidths</a></li> <li><a href="/wiki/List_of_HSDPA_networks" class="mw-redirect" title="List of HSDPA networks">List of HSDPA networks</a></li> <li><a href="/wiki/List_of_HSUPA_networks" class="mw-redirect" title="List of HSUPA networks">List of HSUPA networks</a></li> <li><a href="/wiki/Mobile_Broadband_Alliance" title="Mobile Broadband Alliance">Mobile Broadband Alliance</a></li> <li><a href="/wiki/Multi-band_device" title="Multi-band device">Multi-band device</a> (dual-band, tri-band, quad-band, penta-band)</li> <li><a href="/wiki/UMTS_frequency_bands" title="UMTS frequency bands">UMTS frequency bands</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=11" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.nomor.de/home/technology/white-papers/technology-of-high-speed-packet-access-hspa">Nomor Research: White Paper "Technology of High Speed Packet Access"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20090123120114/http://www.nomor.de/home/technology/white-papers/technology-of-high-speed-packet-access-hspa">Archived</a> January 23, 2009, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, nomor.de</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.etsi.org/deliver/etsi_ts/125300_125399/125306/11.08.00_60/ts_125306v110800p.pdf">"Universal Mobile Telecommunications System (UMTS); UE Radio Access capabilities"</a> <span class="cs1-format">(PDF)</span>. ETSI. January 2014<span class="reference-accessdate">. Retrieved <span class="nowrap">March 4,</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Universal+Mobile+Telecommunications+System+%28UMTS%29%3B+UE+Radio+Access+capabilities&rft.pub=ETSI&rft.date=2014-01&rft_id=http%3A%2F%2Fwww.etsi.org%2Fdeliver%2Fetsi_ts%2F125300_125399%2F125306%2F11.08.00_60%2Fts_125306v110800p.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span></span> </li> <li id="cite_note-gsmworld-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-gsmworld_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.gsma.com/aboutus/gsm-technology/hspa">"HSPA"</a>. <i>About Us</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=About+Us&rft.atitle=HSPA&rft_id=http%3A%2F%2Fwww.gsma.com%2Faboutus%2Fgsm-technology%2Fhspa&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">3GPP TS 25.306 v11.0.0 <a rel="nofollow" class="external free" href="http://www.3gpp.org/ftp/Specs/html-info/25306.htm">http://www.3gpp.org/ftp/Specs/html-info/25306.htm</a></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://online.vodafone.co.uk/dispatch/Portal/appmanager/vodafone/wrp?_nfpb=true&_pageLabel=template12&pageID=PPP_0026">"Vodafone UK - Maintenance"</a>. <i>vodafone.co.uk</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=vodafone.co.uk&rft.atitle=Vodafone+UK+-+Maintenance&rft_id=http%3A%2F%2Fonline.vodafone.co.uk%2Fdispatch%2FPortal%2Fappmanager%2Fvodafone%2Fwrp%3F_nfpb%3Dtrue%26_pageLabel%3Dtemplate12%26pageID%3DPPP_0026&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.3gpp.org/news-events/partners-news/1398-DC-HSPA-brings-42-Mbps-to-39-networks">"DC-HSPA+ brings 42 Mbps to 39 networks"</a>. <i>3GPP</i><span class="reference-accessdate">. Retrieved <span class="nowrap">July 8,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=3GPP&rft.atitle=DC-HSPA%2B+brings+42+Mbps+to+39+networks&rft_id=http%3A%2F%2Fwww.3gpp.org%2Fnews-events%2Fpartners-news%2F1398-DC-HSPA-brings-42-Mbps-to-39-networks&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Bibliography">Bibliography</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=12" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSauter2006" class="citation book cs1">Sauter, Martin (2006). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/communicationsys0000saut"><i>Communication Systems for the Mobile Information Society</i></a></span>. Chichester: John Wiley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-470-02676-6" title="Special:BookSources/0-470-02676-6"><bdi>0-470-02676-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Communication+Systems+for+the+Mobile+Information+Society&rft.place=Chichester&rft.pub=John+Wiley&rft.date=2006&rft.isbn=0-470-02676-6&rft.aulast=Sauter&rft.aufirst=Martin&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcommunicationsys0000saut&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHarri_Holma_and_Antti_Toskala2006" class="citation book cs1">Harri Holma and Antti Toskala (2006). <i>HSDPA/HSUPA for UMTS: High Speed Radio Access for Mobile Communications</i>. Wiley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-470-01884-4" title="Special:BookSources/0-470-01884-4"><bdi>0-470-01884-4</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=HSDPA%2FHSUPA+for+UMTS%3A+High+Speed+Radio+Access+for+Mobile+Communications&rft.pub=Wiley&rft.date=2006&rft.isbn=0-470-01884-4&rft.au=Harri+Holma+and+Antti+Toskala&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span></li> <li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStuhlfauth2012" class="citation book cs1">Stuhlfauth, Reiner (2012). <i>High Speed Packet Access: Technology and measurement aspects of HSDPA and HSUPA mobile radio systems</i>. Munich. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-939837-14-5" title="Special:BookSources/978-3-939837-14-5"><bdi>978-3-939837-14-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=High+Speed+Packet+Access%3A+Technology+and+measurement+aspects+of+HSDPA+and+HSUPA+mobile+radio+systems&rft.place=Munich&rft.date=2012&rft.isbn=978-3-939837-14-5&rft.aulast=Stuhlfauth&rft.aufirst=Reiner&rfr_id=info%3Asid%2Fen.wikipedia.org%3AHigh+Speed+Packet+Access" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: CS1 maint: location missing publisher (<a href="/wiki/Category:CS1_maint:_location_missing_publisher" title="Category:CS1 maint: location missing publisher">link</a>)</span></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=High_Speed_Packet_Access&action=edit&section=13" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.3gpp.org/">3GPP</a></li> <li><a rel="nofollow" class="external text" href="http://www.3gpp.org/specs/specs.htm">3GPP Specifications Home Page</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20081026202407/http://www.3gpp.org/specs/specs.htm">Archived</a> October 26, 2008, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20111219180937/http://www.gsmworld.com/HSPA/">GSM Association on HSPA</a></li> <li><a rel="nofollow" class="external text" href="http://www.linkedin.com/groups?gid=1888232">Public HSPA Discussion Forum</a></li> <li><a rel="nofollow" class="external text" href="http://www.news.com/3.5G-driving-rapid-mobile-broadband-growth/2100-1039_3-6225531.html?part=rss&tag=2547-1_3-0-20&subj=news">3.5G drivin)</a>, ericsson.com</li> <li><a rel="nofollow" class="external text" href="http://www.radio-electronics.com/info/cellulartelecomms/3g-hspa/dc-dual-carrier-hspa-hsdpa.php">Dual carrier HSPA: DC-HSPA, DC-HSDPA</a>, radio-electronics.com</li> <li><a rel="nofollow" class="external text" href="http://www.mobilehandsetdesignline.com/howto/170703686">Understand HSDPA's implementation challenges</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100216161035/http://www.mobilehandsetdesignline.com/howto/170703686">Archived</a> February 16, 2010, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="http://www.nomor.de/home/technology/white-papers/technology-of-high-speed-packet-access-hspa">Nomor Research: White Paper "Technology of High Speed Packet Access"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20090123120114/http://www.nomor.de/home/technology/white-papers/technology-of-high-speed-packet-access-hspa">Archived</a> January 23, 2009, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="http://www.nomor.de/home/technology/3gpp-newsletter/2009-03-standardisation-updates-on-hspa-evolution">Nomor 3GPP Newsletter 2009-03: Standardisation updates on HSPA Evolution</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140201161322/http://www.nomor.de/home/technology/3gpp-newsletter/2009-03-standardisation-updates-on-hspa-evolution">Archived</a> February 1, 2014, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output 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class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mobile_Telephone_Service" title="Mobile Telephone Service">MTS</a></li> <li><a href="/wiki/Improved_Mobile_Telephone_Service" title="Improved Mobile Telephone Service">IMTS</a></li> <li><a href="/wiki/Altai_(mobile_telephone_system)" title="Altai (mobile telephone system)">Altai</a></li> <li><a href="/wiki/OLT_(mobile_network)" title="OLT (mobile network)">OLT</a></li> <li><a href="/wiki/MTD_(mobile_network)" title="MTD (mobile network)">MTA - MTB - MTC - MTD</a></li> <li><a href="/w/index.php?title=Mobile_TeleSeratout&action=edit&redlink=1" class="new" title="Mobile TeleSeratout (page does not exist)">Mobile TeleSeratout</a></li> <li><a href="/wiki/Advanced_Mobile_Telephone_System" title="Advanced Mobile Telephone System">AMTS</a></li> <li><a href="/wiki/Autotel" title="Autotel">Autotel (PALM)</a></li> <li><a href="/wiki/Autoradiopuhelin" title="Autoradiopuhelin">ARP</a></li> <li><a href="/wiki/B-Netz" title="B-Netz">B-Netz</a></li> <li><a href="/wiki/AMR_radiotelephone_network_(Czechoslovakia)" title="AMR radiotelephone network (Czechoslovakia)">AMR</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/1G" title="1G">1G</a> (1979)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Advanced_Mobile_Phone_System" title="Advanced Mobile Phone System">AMPS</a> family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Advanced_Mobile_Phone_System" title="Advanced Mobile Phone System">AMPS - N-AMPS</a></li> <li><a href="/wiki/Total_Access_Communication_System" title="Total Access Communication System">TACS - ETACS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nordic_Mobile_Telephone" title="Nordic Mobile Telephone">NMT</a></li> <li><a href="/wiki/C-Netz" title="C-Netz">C-450</a></li> <li><a href="/wiki/Hicap" title="Hicap">Hicap</a></li> <li><a href="/wiki/Mobitex" title="Mobitex">Mobitex</a></li> <li><a href="/wiki/DataTAC" title="DataTAC">DataTAC</a></li> <li><a href="/wiki/CT1" title="CT1">CT1</a></li> <li><a href="/wiki/RTMI" title="RTMI">RTMI</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/2G" title="2G">2G</a> (1991)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/GSM" title="GSM">GSM</a>/<a href="/wiki/3GPP" title="3GPP">3GPP</a> family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/GSM" title="GSM">GSM</a></li> <li><a href="/wiki/Circuit_Switched_Data" title="Circuit Switched Data">CSD - HSCSD</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/3rd_Generation_Partnership_Project_2" title="3rd Generation Partnership Project 2">3GPP2</a> family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CdmaOne" title="CdmaOne">cdmaOne (IS-95)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Advanced_Mobile_Phone_System" title="Advanced Mobile Phone System">AMPS</a> family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Digital_AMPS" title="Digital AMPS">D-AMPS (IS-54 and IS-136)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cellular_digital_packet_data" title="Cellular digital packet data">CDPD</a></li> <li><a href="/wiki/IDEN" title="IDEN">iDEN</a></li> <li><a href="/wiki/Personal_Digital_Cellular" title="Personal Digital Cellular">PDC</a></li> <li><a href="/wiki/Personal_Handy-phone_System" title="Personal Handy-phone System">PHS</a></li> <li><a href="/wiki/CT2" title="CT2">CT2</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/2G#Evolution" title="2G">2G transitional<br />(2.5G, 2.75G, 2.9G)</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/GSM" title="GSM">GSM</a>/3GPP family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/General_Packet_Radio_Service" title="General Packet Radio Service">GPRS</a></li> <li><a href="/wiki/Enhanced_Data_rates_for_GSM_Evolution" title="Enhanced Data rates for GSM Evolution">EDGE/EGPRS - Evolved EDGE</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">3GPP2 family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CDMA2000#1X" title="CDMA2000">CDMA2000 1X</a> (TIA/EIA/IS-2000)</li> <li><a href="/wiki/CDMA2000#1X_Advanced" title="CDMA2000">CDMA2000 1X Advanced</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/WiDEN" class="mw-redirect" title="WiDEN">WiDEN</a></li> <li><a href="/wiki/Digital_enhanced_cordless_telecommunications" class="mw-redirect" title="Digital enhanced cordless telecommunications">DECT</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/3G" title="3G">3G</a> (1998)<br /><a href="/wiki/IMT-2000" title="IMT-2000">IMT-2000</a> (2001)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">3GPP family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/UMTS" title="UMTS">UMTS</a> <ul><li><a href="/wiki/W-CDMA" class="mw-redirect" title="W-CDMA">UTRA-FDD / W-CDMA</a> <ul><li><a href="/wiki/Freedom_of_Mobile_Multimedia_Access" title="Freedom of Mobile Multimedia Access">FOMA</a></li></ul></li> <li><a href="/wiki/TD-SCDMA" class="mw-redirect" title="TD-SCDMA">UTRA-TDD LCR / TD-SCDMA</a></li> <li><a href="/wiki/TD-CDMA" class="mw-redirect" title="TD-CDMA">UTRA-TDD HCR / TD-CDMA</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">3GPP2 family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Evolution-Data_Optimized" title="Evolution-Data Optimized">CDMA2000 1xEV-DO Release 0</a> (TIA/IS-856)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/3G#Evolution" title="3G">3G transitional<br />(3.5G, 3.75G, 3.9G)</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">3GPP family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">HSPA</a> <ul><li><a href="/wiki/High_Speed_Downlink_Packet_Access" class="mw-redirect" title="High Speed Downlink Packet Access">HSDPA</a></li> <li><a href="/wiki/High_Speed_Uplink_Packet_Access" class="mw-redirect" title="High Speed Uplink Packet Access">HSUPA</a></li></ul></li> <li><a href="/wiki/Evolved_High_Speed_Packet_Access" title="Evolved High Speed Packet Access">HSPA+</a> <ul><li><a href="/wiki/DC-HSDPA" class="mw-redirect" title="DC-HSDPA">DC-HSDPA</a></li></ul></li> <li><a href="/wiki/LTE_(telecommunication)" title="LTE (telecommunication)">LTE</a> (<a href="/wiki/E-UTRA" title="E-UTRA">E-UTRA</a>)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">3GPP2 family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li>CDMA2000 <a href="/wiki/Evolution-Data_Optimized" title="Evolution-Data Optimized">1xEV-DO Revision A</a> (TIA/EIA/IS-856-A)</li> <li><a href="/wiki/Evolution-Data_Optimized" title="Evolution-Data Optimized">EV-DO Revision B</a> (TIA/EIA/IS-856-B)</li> <li><a href="/wiki/Evolution-Data_Optimized" title="Evolution-Data Optimized">EV-DO Revision C</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/Institute_of_Electrical_and_Electronics_Engineers" title="Institute of Electrical and Electronics Engineers">IEEE</a> family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/WiMAX" title="WiMAX">Mobile WiMAX</a> <ul><li><a href="/wiki/IEEE_802.16" title="IEEE 802.16">IEEE 802.16e</a></li></ul></li> <li><a href="/wiki/Orthogonal_frequency-division_multiplexing#FLASH-OFDM" title="Orthogonal frequency-division multiplexing">Flash-OFDM</a></li> <li><a href="/wiki/IEEE_802.20" title="IEEE 802.20">iBurst (IEEE 802.20)</a></li> <li><a href="/wiki/WiBro" title="WiBro">WiBro</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em"><a href="/wiki/ETSI" class="mw-redirect" title="ETSI">ETSI</a> family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HiperMAN" title="HiperMAN">HiperMAN</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/4G" title="4G">4G</a> (2009)<br /><a href="/wiki/IMT_Advanced" title="IMT Advanced">IMT Advanced</a> (2013)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">3GPP family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/LTE_Advanced" title="LTE Advanced">LTE Advanced</a> (<a href="/wiki/E-UTRA" title="E-UTRA">E-UTRA</a>)</li> <li><a href="/wiki/LTE_Advanced_Pro" class="mw-redirect" title="LTE Advanced Pro">LTE Advanced Pro</a> (4.5G/4.9G)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">IEEE family</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/WiMAX" title="WiMAX">WiMAX</a> (<a href="/wiki/IEEE_802.16" title="IEEE 802.16">IEEE 802.16m</a>) <ul><li>WiMax 2.1</li> <li><a href="/wiki/WiBro" title="WiBro">WiBro</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/5G" title="5G">5G</a> (2018)<br /><a href="/wiki/IMT-2020" title="IMT-2020">IMT-2020</a> (2021)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:10em">3GPP family</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/5G_NR" title="5G NR">5G NR</a></li> <li><a href="/wiki/5G-Advanced" class="mw-redirect" title="5G-Advanced">5G-Advanced</a> (5.5G)</li> <li><a href="/w/index.php?title=NR-IIoT&action=edit&redlink=1" class="new" title="NR-IIoT (page does not exist)">NR-IIoT</a></li> <li><a href="/wiki/LTE-M" title="LTE-M">LTE-M</a></li> <li><a href="/wiki/Narrowband_IoT" title="Narrowband IoT">NB-IoT</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:10em">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=DECT-5G&action=edit&redlink=1" class="new" title="DECT-5G (page does not exist)">DECT-5G</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related articles</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cellular_network" title="Cellular network">Cellular networks</a></li> <li><a href="/wiki/Mobile_telephony" title="Mobile telephony">Mobile telephony</a></li> <li><a href="/wiki/History_of_mobile_phones" title="History of mobile phones">History</a></li> <li><a href="/wiki/Comparison_of_mobile_phone_standards" title="Comparison of mobile phone standards">Comparison of standards</a></li> <li><a href="/wiki/Channel_access_method" title="Channel access method">Channel access methods</a> <ul><li><a href="/wiki/Frequency-division_multiple_access" title="Frequency-division multiple access">FDMA</a> <ul><li><a href="/wiki/Orthogonal_frequency-division_multiple_access" title="Orthogonal frequency-division multiple access">OFDMA</a></li></ul></li> <li><a href="/wiki/Time-division_multiple_access" title="Time-division multiple access">TDMA</a> <ul><li><a href="/wiki/Self-organized_time-division_multiple_access" title="Self-organized time-division multiple access">STDMA</a></li></ul></li> <li><a href="/wiki/Spread_spectrum" title="Spread spectrum">SSMA</a> <ul><li><a href="/wiki/Code-division_multiple_access" title="Code-division multiple access">CDMA</a></li></ul></li> <li><a href="/wiki/Space-division_multiple_access" title="Space-division multiple access">SDMA</a></li></ul></li> <li><a href="/wiki/Spectral_efficiency#Comparison_table" title="Spectral efficiency">Spectral efficiency comparison table</a></li> <li><a href="/wiki/Cellular_frequencies" title="Cellular frequencies">Frequency bands</a> <ul><li><a href="/wiki/GSM_frequency_bands" title="GSM frequency bands">GSM</a></li> <li><a href="/wiki/UMTS_frequency_bands" title="UMTS frequency bands">UMTS</a></li> <li><a href="/wiki/LTE_frequency_bands" title="LTE frequency bands">LTE</a></li> <li><a href="/wiki/5G_NR_frequency_bands" title="5G NR frequency bands">5G NR</a></li> <li><a href="/wiki/CDMA_frequency_bands" title="CDMA frequency bands">CDMA</a></li></ul></li> <li><a href="/wiki/Mobile_broadband" title="Mobile broadband">Mobile broadband</a></li> <li><a href="/wiki/Multimedia_Broadcast_Multicast_Service" title="Multimedia Broadcast Multicast Service">Multimedia Broadcast Multicast Service</a></li> <li><a href="/wiki/Next_Generation_Mobile_Networks" title="Next Generation Mobile Networks">NGMN Alliance</a></li> <li><a href="/wiki/Push-to-talk" title="Push-to-talk">Push-to-talk</a></li> <li><a href="/wiki/MIMO" title="MIMO">MIMO</a></li> <li><a href="/wiki/IP_Multimedia_Subsystem" title="IP Multimedia Subsystem">IMS</a> <ul><li><a href="/wiki/Voice_over_LTE" title="Voice over LTE">VoLTE</a></li> <li><a href="/wiki/Video_over_LTE" title="Video over LTE">ViLTE</a></li> <li><a href="/wiki/Voice_over_NR" title="Voice over NR">VoNR</a></li> <li><a href="/w/index.php?title=Video_over_NR&action=edit&redlink=1" class="new" title="Video over NR (page does not exist)">ViNR</a></li> <li><a href="/wiki/Generic_Access_Network" class="mw-redirect" title="Generic Access Network">Wi-Fi Calling</a></li></ul></li> <li><a href="/wiki/Osmocom" title="Osmocom">Osmocom</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/28px-Telecom-icon.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/42px-Telecom-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/56px-Telecom-icon.svg.png 2x" data-file-width="500" data-file-height="500" /></span></span> </span><a href="/wiki/Portal:Telecommunication" title="Portal:Telecommunication">Telecommunication portal</a>   <span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="telephone icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Telephone_icon_blue_gradient.svg/28px-Telephone_icon_blue_gradient.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Telephone_icon_blue_gradient.svg/42px-Telephone_icon_blue_gradient.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Telephone_icon_blue_gradient.svg/56px-Telephone_icon_blue_gradient.svg.png 2x" data-file-width="722" data-file-height="722" /></span></span> </span><a href="/wiki/Portal:Telephones" title="Portal:Telephones">Telephones portal</a></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Internet_access97" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Internet_access" title="Template:Internet access"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Internet_access" title="Template talk:Internet access"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Internet_access" title="Special:EditPage/Template:Internet access"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Internet_access97" style="font-size:114%;margin:0 4em"><a href="/wiki/Internet_access" title="Internet access">Internet access</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Wired</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cable_Internet_access" title="Cable Internet access">Cable</a></li> <li><a href="/wiki/Dial-up_Internet_access" title="Dial-up Internet access">Dial-up</a></li> <li><a href="/wiki/DOCSIS" title="DOCSIS">DOCSIS</a></li> <li><a href="/wiki/Digital_subscriber_line" title="Digital subscriber line">DSL</a></li> <li><a href="/wiki/Ethernet" title="Ethernet">Ethernet</a></li> <li><a href="/wiki/Fiber_to_the_x" title="Fiber to the x">FTTx</a></li> <li><a href="/wiki/G.hn" title="G.hn">G.hn</a></li> <li><a href="/wiki/Nessum" title="Nessum">Nessum</a></li> <li><a href="/wiki/HomePlug" title="HomePlug">HomePlug</a></li> <li><a href="/wiki/HomePNA" title="HomePNA">HomePNA</a></li> <li><a href="/wiki/IEEE_1901" title="IEEE 1901">IEEE 1901</a></li> <li><a href="/wiki/Integrated_Services_Digital_Network" class="mw-redirect" title="Integrated Services Digital Network">ISDN</a></li> <li><a href="/wiki/Multimedia_over_Coax_Alliance" title="Multimedia over Coax Alliance">MoCA</a></li> <li><a href="/wiki/Passive_optical_network" title="Passive optical network">PON</a></li> <li><a href="/wiki/Power-line_communication" title="Power-line communication">Power-line</a> <ul><li><a href="/wiki/Broadband_over_power_lines" title="Broadband over power lines">Broadband</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Personal_area_network" title="Personal area network">Wireless PAN</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bluetooth" title="Bluetooth">Bluetooth</a></li> <li><a href="/wiki/Li-Fi" title="Li-Fi">Li-Fi</a></li> <li><a href="/wiki/Wireless_USB" title="Wireless USB">Wireless USB</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Wireless_LAN" title="Wireless LAN">Wireless LAN</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Wi-Fi" title="Wi-Fi">Wi-Fi</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Long range wireless</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/5G_NR" title="5G NR">5G NR</a></li> <li><a href="/wiki/Digital_enhanced_cordless_telecommunications" class="mw-redirect" title="Digital enhanced cordless telecommunications">DECT</a></li> <li><a href="/wiki/Evolution-Data_Optimized" title="Evolution-Data Optimized">EVDO</a></li> <li><a href="/wiki/General_Packet_Radio_Service" title="General Packet Radio Service">GPRS</a></li> <li><a class="mw-selflink selflink">HSPA</a></li> <li><a href="/wiki/IBurst" class="mw-redirect" title="IBurst">iBurst</a></li> <li><a href="/wiki/LTE_(telecommunication)" title="LTE (telecommunication)">LTE</a></li> <li><a href="/wiki/Multichannel_Multipoint_Distribution_Service" class="mw-redirect" title="Multichannel Multipoint Distribution Service">MMDS</a></li> <li><a href="/wiki/Municipal_wireless_network" title="Municipal wireless network">Muni Wi-Fi</a></li> <li><a href="/wiki/Satellite_Internet_access" title="Satellite Internet access">Satellite</a></li> <li><a href="/wiki/UMTS-TDD" class="mw-redirect" title="UMTS-TDD">UMTS-TDD</a></li> <li><a href="/wiki/WiMAX" title="WiMAX">WiMAX</a> <ul><li><a href="/wiki/WiBro" title="WiBro">WiBro</a></li></ul></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Telecommunications802" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Telecommunications" title="Template:Telecommunications"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Telecommunications" title="Template talk:Telecommunications"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Telecommunications" title="Special:EditPage/Template:Telecommunications"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Telecommunications802" style="font-size:114%;margin:0 4em"><a href="/wiki/Telecommunications" title="Telecommunications">Telecommunications</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/History_of_telecommunication" title="History of telecommunication">History</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Beacon#For_defensive_communications" title="Beacon">Beacon</a></li> <li><a href="/wiki/History_of_broadcasting" title="History of broadcasting">Broadcasting</a></li> <li><a href="/wiki/Cable_protection_system" title="Cable protection system">Cable protection system</a></li> <li><a href="/wiki/Cable_television" title="Cable television">Cable TV</a></li> <li><a href="/wiki/Communications_satellite#History" title="Communications satellite">Communications satellite</a></li> <li><a href="/wiki/Computer_network#History" title="Computer network">Computer network</a></li> <li><a href="/wiki/Data_compression" title="Data compression">Data compression</a> <ul><li><a href="/wiki/Audio_coding_format" title="Audio coding format">audio</a></li> <li><a href="/wiki/Discrete_cosine_transform" title="Discrete cosine transform">DCT</a></li> <li><a href="/wiki/Image_compression" title="Image compression">image</a></li> <li><a href="/wiki/Video_coding_format" title="Video coding format">video</a></li></ul></li> <li><a href="/wiki/Digital_media" title="Digital media">Digital media</a> <ul><li><a href="/wiki/Internet_video" title="Internet video">Internet video</a></li> <li><a href="/wiki/Online_video_platform" title="Online video platform">online video platform</a></li> <li><a href="/wiki/Social_media" title="Social media">social media</a></li> <li><a href="/wiki/Streaming_media" title="Streaming media">streaming</a></li></ul></li> <li><a href="/wiki/Drums_in_communication" title="Drums in communication">Drums</a></li> <li><a href="/wiki/Edholm%27s_law" title="Edholm's law">Edholm's law</a></li> <li><a href="/wiki/Electrical_telegraph#History" title="Electrical telegraph">Electrical telegraph</a></li> <li><a href="/wiki/Fax#History" title="Fax">Fax</a></li> <li><a href="/wiki/Heliograph#History" title="Heliograph">Heliographs</a></li> <li><a href="/wiki/Hydraulic_telegraph#Greek_hydraulic_semaphore_system" title="Hydraulic telegraph">Hydraulic telegraph</a></li> <li><a href="/wiki/Information_Age" title="Information Age">Information Age</a></li> <li><a href="/wiki/Information_revolution" class="mw-redirect" title="Information revolution">Information revolution</a></li> <li><a href="/wiki/History_of_the_Internet" title="History of the Internet">Internet</a></li> <li><a href="/wiki/Mass_media#History" title="Mass media">Mass media</a></li> <li><a href="/wiki/History_of_mobile_phones" title="History of mobile phones">Mobile phone</a> <ul><li><a href="/wiki/Smartphone" title="Smartphone">Smartphone</a></li></ul></li> <li><a href="/wiki/Optical_communication" title="Optical communication">Optical telecommunication</a></li> <li><a href="/wiki/Optical_telegraph" title="Optical telegraph">Optical telegraphy</a></li> <li><a href="/wiki/Pager" title="Pager">Pager</a></li> <li><a href="/wiki/Photophone" title="Photophone">Photophone</a></li> <li><a href="/wiki/History_of_prepaid_mobile_phones" title="History of prepaid mobile phones">Prepaid mobile phone</a></li> <li><a href="/wiki/History_of_radio" title="History of radio">Radio</a></li> <li><a href="/wiki/Radiotelephone" title="Radiotelephone">Radiotelephone</a></li> <li><a href="/wiki/Communications_satellite" title="Communications satellite">Satellite communications</a></li> <li><a href="/wiki/Semaphore" title="Semaphore">Semaphore</a> <ul><li><a href="/wiki/Phryctoria" title="Phryctoria">Phryctoria</a></li></ul></li> <li><a href="/wiki/Semiconductor" title="Semiconductor">Semiconductor</a> <ul><li><a href="/wiki/Semiconductor_device" title="Semiconductor device">device</a></li> <li><a href="/wiki/MOSFET" title="MOSFET">MOSFET</a></li> <li><a href="/wiki/History_of_the_transistor" title="History of the transistor">transistor</a></li></ul></li> <li><a href="/wiki/Smoke_signal" title="Smoke signal">Smoke signals</a></li> <li><a href="/wiki/History_of_telecommunication" title="History of telecommunication">Telecommunications history</a></li> <li><a href="/wiki/Telautograph" title="Telautograph">Telautograph</a></li> <li><a href="/wiki/Telegraphy" title="Telegraphy">Telegraphy</a></li> <li><a href="/wiki/Teleprinter" title="Teleprinter">Teleprinter</a> (teletype)</li> <li><a href="/wiki/History_of_the_telephone" title="History of the telephone">Telephone</a></li> <li><i><a href="/wiki/The_Telephone_Cases" title="The Telephone Cases">The Telephone Cases</a></i></li> <li><a href="/wiki/History_of_television" title="History of television">Television</a> <ul><li><a href="/wiki/Digital_television" title="Digital television">digital</a></li> <li><a href="/wiki/Streaming_television" title="Streaming television">streaming</a></li></ul></li> <li><a href="/wiki/Submarine_communications_cable#Early_history:_telegraph_and_coaxial_cables" title="Submarine communications cable">Undersea telegraph line</a></li> <li><a href="/wiki/History_of_videotelephony" title="History of videotelephony">Videotelephony</a></li> <li><a href="/wiki/Whistled_language" title="Whistled language">Whistled language</a></li> <li><a href="/wiki/Wireless_revolution" class="mw-redirect" title="Wireless revolution">Wireless revolution</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Pioneers</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nasir_Ahmed_(engineer)" title="Nasir Ahmed (engineer)">Nasir Ahmed</a></li> <li><a href="/wiki/Edwin_Howard_Armstrong" title="Edwin Howard Armstrong">Edwin Howard Armstrong</a></li> <li><a href="/wiki/Mohamed_M._Atalla" title="Mohamed M. Atalla">Mohamed M. Atalla</a></li> <li><a href="/wiki/John_Logie_Baird" title="John Logie Baird">John Logie Baird</a></li> <li><a href="/wiki/Paul_Baran" title="Paul Baran">Paul Baran</a></li> <li><a href="/wiki/John_Bardeen" title="John Bardeen">John Bardeen</a></li> <li><a href="/wiki/Alexander_Graham_Bell" title="Alexander Graham Bell">Alexander Graham Bell</a></li> <li><a href="/wiki/Emile_Berliner" title="Emile Berliner">Emile Berliner</a></li> <li><a href="/wiki/Tim_Berners-Lee" title="Tim Berners-Lee">Tim Berners-Lee</a></li> <li><a href="/wiki/Francis_Blake_(inventor)" title="Francis Blake (inventor)">Francis Blake</a></li> <li><a href="/wiki/Jagadish_Chandra_Bose" title="Jagadish Chandra Bose">Jagadish Chandra Bose</a></li> <li><a href="/wiki/Charles_Bourseul" title="Charles Bourseul">Charles Bourseul</a></li> <li><a href="/wiki/Walter_Houser_Brattain" title="Walter Houser Brattain">Walter Houser Brattain</a></li> <li><a href="/wiki/Vint_Cerf" title="Vint Cerf">Vint Cerf</a></li> <li><a href="/wiki/Claude_Chappe" title="Claude Chappe">Claude Chappe</a></li> <li><a href="/wiki/Yogen_Dalal" class="mw-redirect" title="Yogen Dalal">Yogen Dalal</a></li> <li><a href="/wiki/Donald_Davies" title="Donald Davies">Donald Davies</a></li> <li><a href="/wiki/Daniel_Davis_Jr." title="Daniel Davis Jr.">Daniel Davis Jr.</a></li> <li><a href="/wiki/Amos_Dolbear" title="Amos Dolbear">Amos Dolbear</a></li> <li><a href="/wiki/Thomas_Edison" title="Thomas Edison">Thomas Edison</a></li> <li><a href="/wiki/Philo_Farnsworth" title="Philo Farnsworth">Philo Farnsworth</a></li> <li><a href="/wiki/Reginald_Fessenden" title="Reginald Fessenden">Reginald Fessenden</a></li> <li><a href="/wiki/Lee_de_Forest" title="Lee de Forest">Lee de Forest</a></li> <li><a href="/wiki/Elisha_Gray" title="Elisha Gray">Elisha Gray</a></li> <li><a href="/wiki/Oliver_Heaviside" title="Oliver Heaviside">Oliver Heaviside</a></li> <li><a href="/wiki/Robert_Hooke" title="Robert Hooke">Robert Hooke</a></li> <li><a href="/wiki/Erna_Schneider_Hoover" title="Erna Schneider Hoover">Erna Schneider Hoover</a></li> <li><a href="/wiki/Harold_Hopkins_(physicist)" title="Harold Hopkins (physicist)">Harold Hopkins</a></li> <li><a href="/wiki/Gardiner_Greene_Hubbard" title="Gardiner Greene Hubbard">Gardiner Greene Hubbard</a></li> <li><a href="/wiki/Bob_Kahn" class="mw-redirect" title="Bob Kahn">Bob Kahn</a></li> <li><a href="/wiki/Dawon_Kahng" title="Dawon Kahng">Dawon Kahng</a></li> <li><a href="/wiki/Charles_K._Kao" title="Charles K. Kao">Charles K. Kao</a></li> <li><a href="/wiki/Narinder_Singh_Kapany" title="Narinder Singh Kapany">Narinder Singh Kapany</a></li> <li><a href="/wiki/Hedy_Lamarr" title="Hedy Lamarr">Hedy Lamarr</a></li> <li><a href="/wiki/Roberto_Landell_de_Moura" title="Roberto Landell de Moura">Roberto Landell</a></li> <li><a href="/wiki/Innocenzo_Manzetti" title="Innocenzo Manzetti">Innocenzo Manzetti</a></li> <li><a href="/wiki/Guglielmo_Marconi" title="Guglielmo Marconi">Guglielmo Marconi</a></li> <li><a href="/wiki/Robert_Metcalfe" title="Robert Metcalfe">Robert Metcalfe</a></li> <li><a href="/wiki/Antonio_Meucci" title="Antonio Meucci">Antonio Meucci</a></li> <li><a href="/wiki/Samuel_Morse" title="Samuel Morse">Samuel Morse</a></li> <li><a href="/wiki/Jun-ichi_Nishizawa" title="Jun-ichi Nishizawa">Jun-ichi Nishizawa</a></li> <li><a href="/wiki/Charles_Grafton_Page" title="Charles Grafton Page">Charles Grafton Page</a></li> <li><a href="/wiki/Radia_Perlman" title="Radia Perlman">Radia Perlman</a></li> <li><a href="/wiki/Alexander_Stepanovich_Popov" class="mw-redirect" title="Alexander Stepanovich Popov">Alexander Stepanovich Popov</a></li> <li><a href="/wiki/Tivadar_Pusk%C3%A1s" title="Tivadar Puskás">Tivadar Puskás</a></li> <li><a href="/wiki/Johann_Philipp_Reis" title="Johann Philipp Reis">Johann Philipp Reis</a></li> <li><a href="/wiki/Claude_Shannon" title="Claude Shannon">Claude Shannon</a></li> <li><a href="/wiki/Almon_Brown_Strowger" title="Almon Brown Strowger">Almon Brown Strowger</a></li> <li><a href="/wiki/Henry_Sutton_(inventor)" title="Henry Sutton (inventor)">Henry Sutton</a></li> <li><a href="/wiki/Charles_Sumner_Tainter" title="Charles Sumner Tainter">Charles Sumner Tainter</a></li> <li><a href="/wiki/Nikola_Tesla" title="Nikola Tesla">Nikola Tesla</a></li> <li><a href="/wiki/Camille_Tissot" title="Camille Tissot">Camille Tissot</a></li> <li><a href="/wiki/Alfred_Vail" title="Alfred Vail">Alfred Vail</a></li> <li><a href="/wiki/Thomas_A._Watson" title="Thomas A. Watson">Thomas A. Watson</a></li> <li><a href="/wiki/Charles_Wheatstone" title="Charles Wheatstone">Charles Wheatstone</a></li> <li><a href="/wiki/Vladimir_K._Zworykin" title="Vladimir K. Zworykin">Vladimir K. Zworykin</a></li> <li><i><a href="/wiki/List_of_Internet_pioneers" title="List of Internet pioneers">Internet pioneers</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Transmission_medium" title="Transmission medium">Transmission<br />media</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coaxial_cable" title="Coaxial cable">Coaxial cable</a></li> <li><a href="/wiki/Fiber-optic_communication" title="Fiber-optic communication">Fiber-optic communication</a> <ul><li><a href="/wiki/Optical_fiber" title="Optical fiber">optical fiber</a></li></ul></li> <li><a href="/wiki/Free-space_optical_communication" class="mw-redirect" title="Free-space optical communication">Free-space optical communication</a></li> <li><a href="/wiki/Molecular_communication" title="Molecular communication">Molecular communication</a></li> <li><a href="/wiki/Radio_wave" title="Radio wave">Radio waves</a> <ul><li><a href="/wiki/Wireless" title="Wireless">wireless</a></li></ul></li> <li><a href="/wiki/Transmission_line" title="Transmission line">Transmission line</a> <ul><li><a href="/wiki/Telecommunication_circuit" title="Telecommunication circuit">telecommunication circuit</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Network_topology" title="Network topology">Network topology</a><br />and switching</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bandwidth_(computing)" title="Bandwidth (computing)">Bandwidth</a></li> <li><a href="/wiki/Telecommunications_link" title="Telecommunications link">Links</a></li> <li><a href="/wiki/Network_switch" title="Network switch">Network switching</a> <ul><li><a href="/wiki/Circuit_switching" title="Circuit switching">circuit</a></li> <li><a href="/wiki/Packet_switching" title="Packet switching">packet</a></li></ul></li> <li><a href="/wiki/Node_(networking)" title="Node (networking)">Nodes</a> <ul><li><a href="/wiki/Terminal_(telecommunication)" title="Terminal (telecommunication)">terminal</a></li></ul></li> <li><a href="/wiki/Telephone_exchange" title="Telephone exchange">Telephone exchange</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Multiplexing" title="Multiplexing">Multiplexing</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Space-division_multiple_access" title="Space-division multiple access">Space-division</a></li> <li><a href="/wiki/Frequency-division_multiplexing" title="Frequency-division multiplexing">Frequency-division</a></li> <li><a href="/wiki/Time-division_multiplexing" title="Time-division multiplexing">Time-division</a></li> <li><a href="/wiki/Polarization-division_multiplexing" title="Polarization-division multiplexing">Polarization-division</a></li> <li><a href="/wiki/Orbital_angular_momentum_multiplexing" title="Orbital angular momentum multiplexing">Orbital angular-momentum</a></li> <li><a href="/wiki/Code-division_multiple_access" title="Code-division multiple access">Code-division</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Concepts</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Communication_protocol" title="Communication protocol">Communication protocol</a></li> <li><a href="/wiki/Computer_network" title="Computer network">Computer network</a></li> <li><a href="/wiki/Data_communication" title="Data communication">Data transmission</a></li> <li><a href="/wiki/Store_and_forward" title="Store and forward">Store and forward</a></li> <li><a href="/wiki/Telecommunications_equipment" title="Telecommunications equipment">Telecommunications equipment</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Telecommunications_network" title="Telecommunications network">Types of network</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cellular_network" title="Cellular network">Cellular network</a></li> <li><a href="/wiki/Ethernet" title="Ethernet">Ethernet</a></li> <li><a href="/wiki/Integrated_Services_Digital_Network" class="mw-redirect" title="Integrated Services Digital Network">ISDN</a></li> <li><a href="/wiki/Local_area_network" title="Local area network">LAN</a></li> <li><a href="/wiki/Mobile_telephony" title="Mobile telephony">Mobile</a></li> <li><a href="/wiki/Next-generation_network" title="Next-generation network">NGN</a></li> <li><a href="/wiki/Public_switched_telephone_network" title="Public switched telephone network">Public Switched Telephone</a></li> <li><a href="/wiki/Radio_network" title="Radio network">Radio</a></li> <li><a href="/wiki/Television_broadcasting" class="mw-redirect" title="Television broadcasting">Television</a></li> <li><a href="/wiki/Telex" title="Telex">Telex</a></li> <li><a href="/wiki/UUCP" title="UUCP">UUCP</a></li> <li><a href="/wiki/Wide_area_network" title="Wide area network">WAN</a></li> <li><a href="/wiki/Wireless_network" title="Wireless network">Wireless network</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Telecommunications_network" title="Telecommunications network">Notable networks</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ARPANET" title="ARPANET">ARPANET</a></li> <li><a href="/wiki/BITNET" title="BITNET">BITNET</a></li> <li><a href="/wiki/CYCLADES" title="CYCLADES">CYCLADES</a></li> <li><a href="/wiki/FidoNet" title="FidoNet">FidoNet</a></li> <li><a href="/wiki/Internet" title="Internet">Internet</a></li> <li><a href="/wiki/Internet2" title="Internet2">Internet2</a></li> <li><a href="/wiki/JANET" title="JANET">JANET</a></li> <li><a href="/wiki/NPL_network" title="NPL network">NPL network</a></li> <li><a href="/wiki/Toasternet" title="Toasternet">Toasternet</a></li> <li><a href="/wiki/Usenet" title="Usenet">Usenet</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Locations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Category:Telecommunications_in_Africa" title="Category:Telecommunications in Africa">Africa</a></li> <li>Americas <ul><li><a href="/wiki/Category:Telecommunications_in_North_America" title="Category:Telecommunications in North America">North</a></li> <li><a href="/wiki/Category:Telecommunications_in_South_America" title="Category:Telecommunications in South America">South</a></li></ul></li> <li><a href="/wiki/Category:Communications_in_Antarctica" title="Category:Communications in Antarctica">Antarctica</a></li> <li><a href="/wiki/Category:Telecommunications_in_Asia" title="Category:Telecommunications in Asia">Asia</a></li> <li><a href="/wiki/Category:Telecommunications_in_Europe" title="Category:Telecommunications in Europe">Europe</a></li> <li><a href="/wiki/Category:Telecommunications_in_Oceania" title="Category:Telecommunications in Oceania">Oceania</a></li> <li><i><a href="/wiki/List_of_telecommunications_regulatory_bodies" title="List of telecommunications regulatory bodies">Global telecommunications regulation bodies</a></i></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/16px-Telecom-icon.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/24px-Telecom-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Telecom-icon.svg/32px-Telecom-icon.svg.png 2x" data-file-width="500" data-file-height="500" /></span></span> </span><a href="/wiki/Portal:Telecommunication" title="Portal:Telecommunication">Telecommunication portal</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Telecommunications" title="Category:Telecommunications">Category</a></li> <li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Outline_of_telecommunication" title="Outline of telecommunication">Outline</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons page"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:Telecommunications" class="extiw" title="commons:Category:Telecommunications">Commons</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" 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