Vis­i­ble light com­mu­ni­ca­tion

Gadgets and Gizmos (India) - - FUTURE -

This is a data com­mu­ni­ca­tion medium us­ing vis­i­ble light be­tween 400 THz (780 nm) and 800 THz (375 nm). Or­di­nary flu­o­res­cent lamps or LEDs can be used to trans­mit data for up to 2 km at speeds of up to 500 Mbit/s. TV mak­ers like Sam­sung think this is fu­ture of TV—it was also the past as the first re­motes were based on the same con­cept. To start with, this tech­nol­ogy could change the way com­mer­cials are aired.

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