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Available in 56 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-56" 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">56 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/%D9%83%D8%A8%D9%84_%D9%85%D8%AD%D9%88%D8%B1%D9%8A" title="كبل محوري – Arabic" lang="ar" hreflang="ar" data-title="كبل محوري" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Koaksial_kabel" title="Koaksial kabel – Azerbaijani" lang="az" hreflang="az" data-title="Koaksial kabel" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B0%D0%BA%D1%81%D0%B8%D0%B0%D0%BB%D0%B5%D0%BD_%D0%BA%D0%B0%D0%B1%D0%B5%D0%BB" title="Коаксиален кабел – Bulgarian" lang="bg" hreflang="bg" data-title="Коаксиален кабел" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Cable_coaxial" title="Cable coaxial – Catalan" lang="ca" hreflang="ca" data-title="Cable coaxial" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Koaxi%C3%A1ln%C3%AD_kabel" title="Koaxiální kabel – Czech" lang="cs" hreflang="cs" data-title="Koaxiální kabel" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Koaksialkabel" title="Koaksialkabel – Danish" lang="da" hreflang="da" data-title="Koaksialkabel" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Koaxialkabel" title="Koaxialkabel – German" lang="de" hreflang="de" data-title="Koaxialkabel" 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/Koaksiaalkaabel" title="Koaksiaalkaabel – Estonian" lang="et" hreflang="et" data-title="Koaksiaalkaabel" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9F%CE%BC%CE%BF%CE%B1%CE%BE%CE%BF%CE%BD%CE%B9%CE%BA%CF%8C_%CE%BA%CE%B1%CE%BB%CF%8E%CE%B4%CE%B9%CE%BF" title="Ομοαξονικό καλώδιο – Greek" lang="el" hreflang="el" data-title="Ομοαξονικό καλώδιο" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Coaxial_cable" title="Coaxial cable – English" lang="en" hreflang="en" data-title="Coaxial cable" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Cable_coaxial" title="Cable coaxial – Spanish" lang="es" hreflang="es" data-title="Cable coaxial" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Samaksa_kablo" title="Samaksa kablo – Esperanto" lang="eo" hreflang="eo" data-title="Samaksa kablo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Kable_ardazkide" title="Kable ardazkide – Basque" lang="eu" hreflang="eu" data-title="Kable ardazkide" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%A7%D8%A8%D9%84_%DA%A9%D9%88%D8%A7%DA%A9%D8%B3%DB%8C%D8%A7%D9%84" title="کابل کواکسیال – Persian" lang="fa" hreflang="fa" data-title="کابل کواکسیال" 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/C%C3%A2ble_coaxial" title="Câble coaxial – French" lang="fr" hreflang="fr" data-title="Câble coaxial" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/C%C3%A1bla_comhaiseach" title="Cábla comhaiseach – Irish" lang="ga" hreflang="ga" data-title="Cábla comhaiseach" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Cable_coaxial" title="Cable coaxial – Galician" lang="gl" hreflang="gl" data-title="Cable coaxial" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%95%E0%AB%8B-%E0%AA%8D%E0%AA%95%E0%AB%8D%E0%AA%B8%E0%AA%BF%E0%AA%AF%E0%AA%B2_%E0%AA%95%E0%AB%87%E0%AA%AC%E0%AA%B2" title="કો-ઍક્સિયલ કેબલ – Gujarati" lang="gu" hreflang="gu" data-title="કો-ઍક્સિયલ કેબલ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%8F%99%EC%B6%95_%EC%BC%80%EC%9D%B4%EB%B8%94" title="동축 케이블 – Korean" lang="ko" hreflang="ko" data-title="동축 케이블" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A1%D5%B4%D5%A1%D5%BC%D5%A1%D5%B6%D6%81%D6%84_%D5%B4%D5%A1%D5%AC%D5%B8%D6%82%D5%AD" title="Համառանցք մալուխ – Armenian" lang="hy" hreflang="hy" data-title="Համառանցք մալուխ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A4%AE%E0%A4%BE%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A5%80%E0%A4%AF_%E0%A4%95%E0%A5%87%E0%A4%AC%E0%A4%B2" title="समाक्षीय केबल – Hindi" lang="hi" hreflang="hi" data-title="समाक्षीय केबल" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Koaksijalni_kabel" title="Koaksijalni kabel – Croatian" lang="hr" hreflang="hr" data-title="Koaksijalni kabel" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kabel_sepaksi" title="Kabel sepaksi – Indonesian" lang="id" hreflang="id" data-title="Kabel sepaksi" 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/Cavo_coassiale" title="Cavo coassiale – Italian" lang="it" hreflang="it" data-title="Cavo coassiale" 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/%D7%9B%D7%91%D7%9C_%D7%A7%D7%95%D7%90%D7%A7%D7%A1%D7%99%D7%90%D7%9C%D7%99" title="כבל קואקסיאלי – Hebrew" lang="he" hreflang="he" data-title="כבל קואקסיאלי" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%8F%E0%B2%95%E0%B2%BE%E0%B2%95%E0%B3%8D%E0%B2%B7_%E0%B2%95%E0%B3%87%E0%B2%AC%E0%B2%B2%E0%B3%8D" title="ಏಕಾಕ್ಷ ಕೇಬಲ್ – Kannada" lang="kn" hreflang="kn" data-title="ಏಕಾಕ್ಷ ಕೇಬಲ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%9D%E1%83%90%E1%83%A5%E1%83%A1%E1%83%98%E1%83%90%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%99%E1%83%90%E1%83%91%E1%83%94%E1%83%9A%E1%83%98" title="კოაქსიალური კაბელი – Georgian" lang="ka" hreflang="ka" data-title="კოაქსიალური კაბელი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B0%D0%BA%D1%81%D0%B8%D0%B0%D0%BB_%D0%BA%D0%B0%D0%B1%D0%B5%D0%BB%D1%8C" title="Коаксиал кабель – Kazakh" lang="kk" hreflang="kk" data-title="Коаксиал кабель" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Koaksi%C4%81lais_kabelis" title="Koaksiālais kabelis – Latvian" lang="lv" hreflang="lv" data-title="Koaksiālais kabelis" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Bendraa%C5%A1is_kabelis" title="Bendraašis kabelis – Lithuanian" lang="lt" hreflang="lt" data-title="Bendraašis kabelis" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Koaxi%C3%A1lis_k%C3%A1bel" title="Koaxiális kábel – Hungarian" lang="hu" hreflang="hu" data-title="Koaxiális kábel" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B0%D0%BA%D1%81%D0%B8%D1%98%D0%B0%D0%BB%D0%B5%D0%BD_%D0%BA%D0%B0%D0%B1%D0%B5%D0%BB" title="Коаксијален кабел – Macedonian" lang="mk" hreflang="mk" data-title="Коаксијален кабел" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kabel_sepaksi" title="Kabel sepaksi – Malay" lang="ms" hreflang="ms" data-title="Kabel sepaksi" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Coaxkabel" title="Coaxkabel – Dutch" lang="nl" hreflang="nl" data-title="Coaxkabel" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%90%8C%E8%BB%B8%E3%82%B1%E3%83%BC%E3%83%96%E3%83%AB" title="同軸ケーブル – Japanese" lang="ja" hreflang="ja" data-title="同軸ケーブル" 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/Koaksialkabel" title="Koaksialkabel – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Koaksialkabel" 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-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%95%E0%A9%8B%E0%A8%90%E0%A8%95%E0%A8%B8%E0%A9%80%E0%A8%85%E0%A8%B2_%E0%A8%95%E0%A9%87%E0%A8%AC%E0%A8%B2" title="ਕੋਐਕਸੀਅਲ ਕੇਬਲ – Punjabi" lang="pa" hreflang="pa" data-title="ਕੋਐਕਸੀਅਲ ਕੇਬਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%A9%D9%88%DA%A9%D8%B4%DB%8C%D9%84_%DA%A9%DB%8C%D8%A8%D9%84" title="کوکشیل کیبل – Pashto" lang="ps" hreflang="ps" data-title="کوکشیل کیبل" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Kabel_koncentryczny" title="Kabel koncentryczny – Polish" lang="pl" hreflang="pl" data-title="Kabel koncentryczny" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Cabo_coaxial" title="Cabo coaxial – Portuguese" lang="pt" hreflang="pt" data-title="Cabo coaxial" 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/Cablu_coaxial" title="Cablu coaxial – Romanian" lang="ro" hreflang="ro" data-title="Cablu coaxial" 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/%D0%9A%D0%BE%D0%B0%D0%BA%D1%81%D0%B8%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9_%D0%BA%D0%B0%D0%B1%D0%B5%D0%BB%D1%8C" title="Коаксиальный кабель – Russian" lang="ru" hreflang="ru" data-title="Коаксиальный кабель" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Kabllo_koaksiale" title="Kabllo koaksiale – Albanian" lang="sq" hreflang="sq" data-title="Kabllo koaksiale" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Koaxi%C3%A1lny_k%C3%A1bel" title="Koaxiálny kábel – Slovak" lang="sk" hreflang="sk" data-title="Koaxiálny kábel" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Koaksialni_kabel" title="Koaksialni kabel – Slovenian" lang="sl" hreflang="sl" data-title="Koaksialni kabel" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B0%D0%BA%D1%81%D0%B8%D1%98%D0%B0%D0%BB%D0%BD%D0%B8_%D0%BA%D0%B0%D0%B1%D0%BB" title="Коаксијални кабл – Serbian" lang="sr" hreflang="sr" data-title="Коаксијални кабл" 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-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Koaksijalni_kabl" title="Koaksijalni kabl – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Koaksijalni kabl" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Koaksiaalikaapeli" title="Koaksiaalikaapeli – Finnish" lang="fi" hreflang="fi" data-title="Koaksiaalikaapeli" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Koaxialkabel" title="Koaxialkabel – Swedish" lang="sv" hreflang="sv" data-title="Koaxialkabel" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%93%E0%AE%B0%E0%AE%9A%E0%AF%8D%E0%AE%9A%E0%AF%81_%E0%AE%B5%E0%AE%9F%E0%AE%AE%E0%AF%8D" title="ஓரச்சு வடம் – Tamil" lang="ta" hreflang="ta" data-title="ஓரச்சு வடம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a 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typeof="mw:File/Thumb"><a href="/wiki/File:Coaxial.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Coaxial.svg/200px-Coaxial.svg.png" decoding="async" width="200" height="98" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Coaxial.svg/300px-Coaxial.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/Coaxial.svg/400px-Coaxial.svg.png 2x" data-file-width="90" data-file-height="44" /></a><figcaption>Schematic drawing of a coaxial cable</figcaption></figure> <p>A <b>Coaxial cable</b> is a special electrical <a href="/wiki/Cable" title="Cable">cable</a>. It is used to transmit <a href="/wiki/Signal" class="mw-disambig" title="Signal">signals</a>. The cable is specially insulated. This makes it quite stiff. Today, coaxial cables are used for things like <a href="/wiki/Cable_TV" class="mw-redirect" title="Cable TV">Cable TV</a>. Coaxial cables can also be used for <a href="/wiki/Computer_network" title="Computer network">computer networks</a>, but this became rare in the 21st century, as twisted pair cables can be used more easily. </p><p>Such cables are usually made of a conducting wire. Then there is some insulation, then there is another layer of conducting material. Finally there is the (insulating) mantle. Such cables are used as a <a href="/w/index.php?title=Transmission_line&action=edit&redlink=1" class="new" title="Transmission line (not yet started)">high-frequency transmission line</a> to carry a high-<a href="/wiki/Frequency" title="Frequency">frequency</a> or <a href="/wiki/Broadband" class="mw-redirect" title="Broadband">broadband</a> signal. Because the <a href="/wiki/Electromagnetic_field" class="mw-redirect" title="Electromagnetic field">electromagnetic field</a> carrying the signal exists (ideally) only in the space between the inner and outer <a href="/wiki/Electrical_conductor" title="Electrical conductor">conductors</a>, it cannot interfere with or suffer <a href="/wiki/Interference" title="Interference">interference</a> from external electromagnetic fields. </p><p>There are different types of coaxial cables, which satisfy different standards. </p> <div class="mw-heading mw-heading2"><h2 id="Timeline">Timeline</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coaxial_cable&veaction=edit&section=1" title="Change section: Timeline" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coaxial_cable&action=edit&section=1" title="Edit section's source code: Timeline"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>1880 — Coaxial cable <a href="/wiki/Patent" title="Patent">patented</a> in <a href="/wiki/England" title="England">England</a> by <a href="/wiki/Oliver_Heaviside" title="Oliver Heaviside">Oliver Heaviside</a>, patent no. 1,407.<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></li> <li>1884 — <a href="/w/index.php?title=Siemens_%26_Halske&action=edit&redlink=1" class="new" title="Siemens & Halske (not yet started)">Siemens & Halske</a> patent coaxial cable in <a href="/wiki/Germany" title="Germany">Germany</a> (Patent No. 28,978, 27 March 1884).<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></li> <li>1894 — <a href="/w/index.php?title=Oliver_Lodge&action=edit&redlink=1" class="new" title="Oliver Lodge (not yet started)">Oliver Lodge</a> demonstrates waveguide transmission at the <a href="/wiki/Royal_Institution" title="Royal Institution">Royal Institution</a>.</li> <li>1929 — First modern coaxial cable patented by <a href="/w/index.php?title=Lloyd_Espenschied&action=edit&redlink=1" class="new" title="Lloyd Espenschied (not yet started)">Lloyd Espenschied</a> and <a href="/w/index.php?title=Herman_Affel&action=edit&redlink=1" class="new" title="Herman Affel (not yet started)">Herman Affel</a> of <a href="/w/index.php?title=AT%26T_(1885-2005)&action=edit&redlink=1" class="new" title="AT&T (1885-2005) (not yet started)">AT&T's</a> <a href="/wiki/Bell_Labs" title="Bell Labs">Bell Telephone Laboratories</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li>1936 — First <a href="/wiki/Closed-circuit_television" title="Closed-circuit television">closed circuit</a> transmission of <a href="/wiki/Television" title="Television">TV</a> pictures on coaxial cable, from the <a href="/wiki/1936_Summer_Olympics" title="1936 Summer Olympics">1936 Summer Olympics</a> in Berlin to <a href="/wiki/Leipzig" title="Leipzig">Leipzig</a>.<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></li> <li>1936 — World's first underwater coaxial cable installed between <a href="/w/index.php?title=Apollo_Bay&action=edit&redlink=1" class="new" title="Apollo Bay (not yet started)">Apollo Bay</a>, near <a href="/wiki/Melbourne" title="Melbourne">Melbourne</a>, Australia, and <a href="/w/index.php?title=Stanley,_Tasmania&action=edit&redlink=1" class="new" title="Stanley, Tasmania (not yet started)">Stanley, Tasmania</a>. The 300 km cable can carry one 8.5-kHz broadcast channel and seven telephone channels.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>1936 — AT&T installs experimental coaxial telephone and television cable between <a href="/wiki/New_York_(state)" title="New York (state)">New York</a> and <a href="/wiki/Philadelphia" title="Philadelphia">Philadelphia</a>, with automatic booster stations every ten miles. Completed in December, it can transmit 240 telephone calls simultaneously.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li> <li>1936 — Coaxial cable laid by the <a href="/w/index.php?title=General_Post_Office&action=edit&redlink=1" class="new" title="General Post Office (not yet started)">General Post Office</a> (now <a href="/w/index.php?title=British_Telecom&action=edit&redlink=1" class="new" title="British Telecom (not yet started)">BT</a>) between <a href="/wiki/London" title="London">London</a> and <a href="/wiki/Birmingham" title="Birmingham">Birmingham</a>, providing 40 telephone channels.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></li> <li>1941 — First commercial use in USA by AT&T, between <a href="/wiki/Minneapolis" title="Minneapolis">Minneapolis</a>, Minnesota and Stevens Point, Wisconsin. L1 system with capacity of one TV channel or 480 telephone circuits.</li> <li>1956 — First transatlantic coaxial cable laid, <a href="/wiki/TAT-1" title="TAT-1">TAT-1</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></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=Coaxial_cable&veaction=edit&section=2" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coaxial_cable&action=edit&section=2" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.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 mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a href="/wiki/Google_Book_Search" class="mw-redirect" title="Google Book Search">Google Book Search</a> - <a rel="nofollow" class="external text" href="https://books.google.com/books?id=e9wEntQmA0IC&dq=coaxial+cable+Oliver+Heaviside&pg=PA29">Oliver Heaviside By Paul J. Nahin</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.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 id="CITEREFFeldenkirchen1994" class="citation book cs1">Feldenkirchen, Wilfried (1994). <i>Werner von Siemens - Inventor and International Entrepreneur</i>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-8142-0658-1" title="Special:BookSources/0-8142-0658-1"><bdi>0-8142-0658-1</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Werner+von+Siemens+-+Inventor+and+International+Entrepreneur&rft.date=1994&rft.isbn=0-8142-0658-1&rft.aulast=Feldenkirchen&rft.aufirst=Wilfried&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ACoaxial+cable" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=1835031">U.S. Patent 1,835,031</a><span class="PDFlink noprint"><a rel="nofollow" class="external text" href="http://www.pat2pdf.org/pat2pdf/foo.pl?number=1835031"> </a></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">earlytelevision.org - <a rel="nofollow" class="external text" href="http://www.earlytelevision.org/1936_olympics.html">Early Electronic Television - The 1936 Berlin Olympics</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071203011029/http://www.earlytelevision.org/1936_olympics.html">Archived</a> 2007-12-03 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">The worldwide history of telecommunications By Anton A. Huurdeman - <a rel="nofollow" class="external text" href="https://books.google.com/books?id=SnjGRDVIUL4C&dq=1936%20underwater%20coaxial%20cable%20Apollo%20Bay&pg=PA334">Copper-Line Transmission</a></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">"<a rel="nofollow" class="external text" href="http://www.time.com/time/magazine/article/0,9171,757144-1,00.html">Coaxial Debut</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071224174757/http://www.time.com/time/magazine/article/0,9171,757144-1,00.html">Archived</a> 2007-12-24 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>," <i><a href="/wiki/Time_(magazine)" title="Time (magazine)">Time</a></i>, Dec. 14, 1936.</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text">Boing Boing - <a rel="nofollow" class="external text" href="https://gadgets.boingboing.net/2009/04/17/gallery-an-illustrat.html">Gallery: An illustrated history of the transoceanic cable</a></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><a href="/wiki/Google_Book_Search" class="mw-redirect" title="Google Book Search">Google books</a> - <a rel="nofollow" class="external text" href="https://books.google.com/books?id=DL73f4vFeEwC&dq=coaxial+cable+London+and+Birmingham&pg=PA819">Broadcast engineer's reference book By Edwin Paul J. Tozer</a></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a></span> <span class="reference-text">Radio-electronics.com - <a rel="nofollow" class="external text" href="http://www.radio-electronics.com/info/antennas/coax/rf-coaxial-feeder-cable.php">Coaxial feeder or RF coax cable</a></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text">Atlantic-cable.com - <a rel="nofollow" class="external text" href="http://atlantic-cable.com/Souvenirs/1956TAT-1/">1956 TAT-1 Silver Commemorative Dish</a></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><a href="#cite_ref-11">↑</a></span> <span class="reference-text"><a href="/wiki/Google_Book_Search" class="mw-redirect" title="Google Book Search">Google books</a> - <a rel="nofollow" class="external text" href="https://books.google.com/books?id=SnjGRDVIUL4C&dq=1956+TAT-1&pg=PA470">The worldwide history of telecommunications By Anton A. Huurdeman</a></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Other_websites">Other websites</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Coaxial_cable&veaction=edit&section=3" title="Change section: Other websites" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Coaxial_cable&action=edit&section=3" title="Edit section's source code: Other websites"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.rfcafe.com/references/electrical/coax_chart.htm">Coaxial Cable Specifications</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20051101004351/http://www.rfcafe.com/references/electrical/coax_chart.htm">Archived</a> 2005-11-01 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="http://www.bluejeanscable.com/articles/rg6.htm">What does "RG-6" mean?</a></li> <li><a rel="nofollow" class="external text" href="http://www.awcwire.com/FAQ-Coaxial.aspx">Coaxial Cable FAQ Wire Guide</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071114144722/http://www.awcwire.com/FAQ-Coaxial.aspx">Archived</a> 2007-11-14 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="http://www.securityideas.com/cableselection.html">Coaxial Cable Selection Guide</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071226122347/http://www.securityideas.com/cableselection.html">Archived</a> 2007-12-26 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li> <li><a rel="nofollow" class="external text" href="http://www.rwonline.com/reference-room/wired-4-sound/rwf_lampen_1_nov_5.shtml">Is There an Ideal Impedance? — Wired for Sound: Steve Lampen</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20071223003616/http://www.rwonline.com/reference-room/wired-4-sound/rwf_lampen_1_nov_5.shtml">Archived</a> 2007-12-23 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://simple.wikipedia.org/w/index.php?title=Coaxial_cable&oldid=8940091">https://simple.wikipedia.org/w/index.php?title=Coaxial_cable&oldid=8940091</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Category</a>: <ul><li><a href="/wiki/Category:Signalling" title="Category:Signalling">Signalling</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Pages_using_the_JsonConfig_extension" title="Category:Pages using the JsonConfig extension">Pages using the JsonConfig extension</a></li><li><a href="/wiki/Category:Webarchive_template_wayback_links" title="Category:Webarchive template wayback links">Webarchive template wayback links</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last changed on 15 July 2023, at 10:48.</li> <li id="footer-info-copyright">Text is available under the <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike License</a> and the <a href="/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License" title="Wikipedia:Text of the GNU Free Documentation License">GFDL</a>; additional terms may apply. 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