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back">Back to the list</a><div class="intro-bg-gray"><h1>ECMA-397</h1><div class="ecma-item-header-wrapper"><p class="ecma-item-short-description">Short Distance Visible Light Communication (SDVLC) </p><p class="ecma-item-edition">1st edition, December 2010</p></div></div></div></header><div class="container"><div class="entry-content-wrapper clearfix standard-content"><standard><div class="ecma-item-content-wrapper"><div class="ecma-item-content"><p><strong>This Ecma Standard specifies a PHY and MAC for communication of up to 10 cm distance with an fm of 120 MHz using visual light with the wavelength between 380 and 780 nm.</strong></p> <p>In addition it specifies human detectable brightness control that is independent from the modulation for the data transfer.</p> <p>This Standard was originally developed by TC47. The work of TC47 has been transferred to TC51-TG1.</p> </div><span style="float: left;"><a href="https://ecma-international.org/wp-content/uploads/ECMA-397_1st_edition_december_2010.pdf" onClick="javascript: _gaq.push(['_trackPageview', '/downloads/ECMA-397_1st_edition_december_2010']);" target="_blank" class="bg-orange download">Download this standard</a></span><span class="clear"></span></div><div class="ecma-item-meta-wrapper"><h2>Classification</h2><p class="ecma-item-category"><strong>Category</strong><a href="/publications-and-standards/standards?order=category#Wireless-proximity-systems">Wireless proximity systems</a></p><p class="ecma-item-category"><strong>Subcategory</strong>High rate wireless communication</p><p class="ecma-item-technical-committee"><strong>Technical Committee</strong><a href="https://ecma-international.org/technical-committees/tc51/">TC51</a></p><p class="ecma-item-iso-number"><strong>ISO/IEC number</strong>17417</p></div><div 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