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Get ready for light-based Wi-Fi (Li-Fi), because it's now an official standard

https://www.androidpolice.com/light-based-wi-fi-official-standard/

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Since light bounces off walls and is thus confined to individual rooms, there is less interference and higher bandwidth, and traffic is harder to intercept from outside.

bjoern_tantau

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Aren't radio waves and light waves the same thing? Either this is in the visible spectrum and thus annoying as hell. Or it's just marketing's way of selling the decreased indoor-range.

Lazerbeams2

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It's interesting and I'd definitely like to see how this develops. What I'm worried about is interference from monitors and sunlight

techLover

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But, if light bounces in every obstacle, it will be confined to just a room or so... Then, I think is unreliable for the general public and will be only useful in specific situations... Which I can't think of a single one... Not getting interference with Military, Hospitals and Airplanes isn't already achieved by separating special frequencies for WiFi and Bluetooth? How that is achieved today?

Jarmer

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And not only each individual room, but do physical objects block the light transmission? So just simply moving around a room will constantly interrupt the connection?

NotSteve_

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I feel like even in situations where you'd use it in one room, Ethernet would still just be better

wutBEE

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Could this potentially be viable as interlinks between multi-planetary satellites? Or are there solutions for that better worth exploring?

legion02

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Im not sure light is significantly better than rf in space, but I do think this was in starlinks plans for inter-satelite communication.