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Li-Fi is a wireless technology based not on radio waves but as the name indicates, on light. Supposedly, a single 1 W LED bulb is enough for about 150 Mb/s of data, which should be able to network about four PCs. The technology also goes by the term VLC (Visible Light Communications). Of course, unsurprisingly and unlike Wi-Fi, a direct line of sight is required between the sender and receiver. From a security point of view, using light as a communications method has many benefits. 

Posted via a mobile Android device.

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