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New Charger Harvests Energy from Wi-Fi Signals

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Top message:  but if they make wi-fi hotspots more efficient... / billing? by Rich Brome   Jan 12, 2010, 2:19 PM

Replying to:  Re: but if they make wi-fi hotspots more efficient... / billing? by Rich Brome   Jan 12, 2010, 6:07 PM

Re: but if they make wi-fi hotspots more efficient... / billing?

by Caucasian    Jan 12, 2010, 6:43 PM

Here is an excerpt from the Engadget article on it. Looks like it isn't anything they could block entirely. So it looks like kill the output power of the WIFI unit (and in doing so kill the range or people will jack power from it.

"We don't usually associate RCA with new and innovative technologies, but we think know they're on to something with its Airnergy power system, which harvests energy from WiFi signals. Shipping this summer, the pocketable dongle picks up WiFi signals from the air and manages to charge an internal battery through some magic inside. You don't have to connect to a network, you just have to be in a place that has signal, and it will automatically charge up. As if we weren't intrigued already, they told us that they're planning on building the tech into actual cellphone batteries, so you would theoretically never need to plug in again and your device would always be topped off. Yeah, we want."

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