According to filings at the Federal Communications Commission (FCC), Google now has a mystery "wireless device" that features the short-range 60GHz radar tech - as well as 802.11n Wi-Fi, Bluetooth, and a "base plate" of some kind.
One early educated guess is that it's simply a new Nest Thermostat, and that could make sense. The FCC filings don't show this device having any other radios beyond 2.4GHz and 60GHz.
Today's filing shows the new mystery gadget was tested either plugged into AC power (via a "setup box") or plugged into a USB cable plugged into a laptop.
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