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Huh, interesting to see this technology get closer to mainstream. This is basically an IR laser plus a solar cell. Efficiency isn't great (5W base station laser -> 100mW receiver) but that doesn't matter much for low power devices.

The company claims to have some sort of unique patent involving retroreflectors in the receiver ensuring that if something disturbs the path, the laser beam is destroyed. I haven't been able to find any other technical details and of course search engines are mostly useless, so if anyone manages to dig deeper into how this works I'd be very curious to hear it.



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