Infrared Essays

Li Fi Technology

I. Introduction Li-Fi or Light Fidelity is a technology that uses light emitting diodes to transmit data wirelessly. It was first demonstrated at a TED talk in 2011 by German physicist Harald Haas. This is a free band that does not need any license. Hence it is cheaper than Wi-FI. Wi-Fi, is a popular technology that allows an electronic device to exchange data or connect to the internet¬†wirelessly using radio waves the visible light spectrum is larger than the radio…

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