
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle
A USB Zigbee and Thread dongle with an EFR32MG21 radio. Works with Zigbee2MQTT and Home Assistant (ZHA); flash OpenThread firmware to use it for Thread.
Works with
Features
Features by hub: support differs between Apple Home, Home Assistant and others.
About
A compact USB dongle on the EFR32MG21 chip. It ships with EmberZNet Zigbee coordinator firmware and can be flashed with OpenThread firmware, which needs a Thread border router, through the SONOFF Dongle Flasher.
Pairing
About 2 minutes. Add the device in the app or web interface for your hub.
- Go to Settings → Devices & services and open the ZHA integration.
- Choose Add device to start the scan.
- Pick the device when it appears, then assign it to an area.
- Open the Zigbee2MQTT frontend and turn on Permit join for the coordinator.
- Wait for the device to appear in the Devices list.
- Rename it and assign it to a room.

