Some chinese dudes demonstrated some old-fashion tech last year that transmit data with these LED lights up to speed of 2Mbps. Earlier this year researchers hit 500Mbps with white LEDs now, using a combination of white, green, blue, and red, the team ramped that up to 800Mbps, officially putting Ethernet on notice. The line-of-site networking won't actually replace your standard Cat 5 line or WiFi router, but it could find a home in places like hospitals where radio-based wireless technology can cause problems for sensitive equipment.
2DayBlog.com
See also:
hitech, The Deutschstämmige genius hit 800Mbps with only light bulb?
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