Samsung door multisensor keeps going offline

Also note that WiFi and Zigbee operate on the same frequency, so WiFi drowning out Zigbee is a common issue.

But zwave is intentionally in a very different band, and won’t suffer from WiFi interference.

So the earlier suggestions you got about relocating the WiFi extender were specifically because your model sensor is Zigbee if it’s branded SmartThings.

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