Where does this thing get it's power from though? Otherwise, this would be a very nice enhancement for stuff if it can transmit through walls well as well. And $10 for a chip like this? That's cheap!
I imagine it would use a thin film battery.
The range of this device is very limited... which is actually a good thing for the type of applications it might be used for. -- Making procrastination an art form since Pluto was still a planet.
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