# SONOFF Dongle Max

*SONOFF / Dongle-M*

> The Dongle Max is a Zigbee and Thread coordinator on a Silicon Labs EFR32MG24 with an ESP32. It connects over PoE Ethernet, Wi-Fi or USB-C. A web console switches it between coordinator, router and Thread RCP firmware, and it supports Home Assistant and Zigbee2MQTT. It suits Home Assistant users through an integration (Zigbee).

- Canonical page: https://smarthomecanon.com/devices/sonoff-dongle-max
- Last checked: 2026-10-09

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SONOFF](https://smarthomecanon.com/brands/sonoff) |
| Category | USB radio |
| Model numbers | Dongle-M |
| Status | Current[^1] |
| Works with | Home Assistant, Zigbee2MQTT[^1][^2] |
| Type | Network dongle, Zigbee and Thread[^1] |
| Chip | Silicon Labs EFR32MG24 with ESP32-D0WD-R2[^1][^2] |
| Ships with | unknown |
| Thread RCP firmware | Yes: Thread RCP firmware, switched in the web console[^1] |
| In Home Assistant ZHA docs | unknown |
| In Zigbee2MQTT docs | Listed (Dongle-M)[^2] |
| Connection | Ethernet with PoE, Wi-Fi 2.4 GHz, or USB-C[^1] |
| Power | 5 V, 1 A (USB-C) or 48 V, 0.25 A (PoE)[^1] |

## Integration paths

**How the SONOFF Dongle Max connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Thread](https://smarthomecanon.com/protocols/matter-thread) | Thread RCP firmware, A host running a Thread border router[^1] | unknown | unknown |
| [Zigbee](https://smarthomecanon.com/protocols/zigbee) | Zigbee coordinator software such as ZHA or Zigbee2MQTT[^1] | Yes[^1] | Only one ZHA integration can be added to a Home Assistant instance[^1] |

**Platform support for the SONOFF Dongle Max**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Zigbee | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Via integration[^1] | ZHA |

## Roles in a smart home

**Infrastructure roles**

| Role | Acts as one |
| --- | --- |
| Thread border router | unknown |
| Matter controller | unknown |
| Zigbee coordinator | Yes[^1] |

## Related pages

- [SONOFF dongles and bridges](https://smarthomecanon.com/lines/sonoff-zigbee-dongles-and-bridges) (line)
- [SONOFF](https://smarthomecanon.com/brands/sonoff) (brand)
- [Matter over Thread](https://smarthomecanon.com/protocols/matter-thread) (protocol)
- [Zigbee](https://smarthomecanon.com/protocols/zigbee) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)

## Sources

[^1]: SONOFF Dongle Max product page. https://sonoff.tech/products/sonoff-dongle-max-zigbee-thread-poe-dongle-dongle-m (manufacturer, checked 2026-10-09)
[^2]: Zigbee2MQTT: EmberZNet adapters. https://www.zigbee2mqtt.io/guide/adapters/emberznet.html (platform documentation, checked 2026-10-09)