Do any of these work with an existing switch instead of being an occupancy sensor?
Do you mean a light switch with motion detection like this one?
No, Iām wondering if one has the MM presences technology instead of the standard motion sensing (IR?). Also would prefer not to use Wi-fi.
You should start a new thread as your question is going off topic.
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Inovelli are working on an mmwave smart switch.
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US and prefer Matter/Zigbee.