
Zigbee USB Smart Home Coordinator Bridge | Sonoff DONGLE-M
The SONOFF Dongle Max (Dongle-M) is a Zigbee/Thread coordinator for open-source smart home platforms such as Home Assistant and Zigbee2MQTT. It is built on an EFR32MG24 Zigbee chip plus an ESP32 chip, and it connects by Ethernet with PoE, by Wi-Fi, or by USB-C, so you can place it where your Zigbee coverage is needed.
Key Features
Three ways to connect: Use it as a PoE dongle over an RJ45 Ethernet cable, as a Wi-Fi dongle with only a power cable, or as a standard USB dongle with the included USB-C cable. This gives you freedom to install it away from the server, for example in the middle of the house.

EFR32MG24 + ESP32 hardware: The EFR32MG24 handles Zigbee and Thread, while the ESP32 handles networking. Two adjustable 5 dBi antennas improve wireless coverage, and the housing is aluminium with PC/ABS parts.

Coordinator, router or Thread RCP: Dongle Max can run as a Zigbee coordinator, a Zigbee router or a Thread RCP. You switch or update the firmware from its local web console, without opening the case or flashing it manually.
Local web console: A built-in web console on your local network shows the device status and settings, and lets you update firmware and change modes from a browser.

Who it's for / Works with
Home Assistant (ZHA) and Zigbee2MQTT, plus other platforms such as Jeedom, OpenHAB and Domoticz.
Good to know
- PoE power is 48 V; when not using PoE, power it from USB-C (5 V 1 A).
Technical Specifications
| Model | Dongle-M |
| Chipset | EFR32MG24 + ESP32 |
| Input | 5V⎓1A (USB Type-C) or 48V⎓0.25A (PoE) |
| Wireless | Zigbee 3.0, Thread RCP, Wi-Fi IEEE 802.11 b/g/n 2.4GHz |
| Antennas | 2 x adjustable 5 dBi |
| Network port | RJ45 (PoE) |
| USB port | Type-C |
| Housing | Aluminium + PC/ABS |
| Working temperature | -10°C to 60°C |
| Included cable | USB Type-C cable |
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