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Researchers discover battery-free technology which harvests power from radio and Wi-Fi signals for low-powered devices (www.tomshardware.com)

submitted 1 month ago by schizoidman@lemmy.ml to c/technology@lemmy.world

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cross-posted from: https://lemmy.ml/post/18426215

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[-] Sparky@lemmy.blahaj.zone 2 points 1 month ago

That's interesting! I thought that if you for example have a 50w RF transmitter, taking 40w from it would make it act as a 10w one for the other devices around it.

Thx for the explanation :3

[-] Chronographs@lemmy.zip 3 points 1 month ago* (last edited 1 month ago)

It you could build a 40w antenna sure, but it’d basically have to be a dome surrounding the transmitting one at that point.

this post was submitted on 26 Jul 2024

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