# SONOFF Z-Wave 800 PoE Dongle Max

*SONOFF / Dongle-MZG23*

> The Z-Wave 800 PoE Dongle Max (Dongle-MZG23) is a networked Z-Wave controller on an EFR32ZG23 chip with an ESP32. It connects over PoE Ethernet, Wi-Fi or USB-C, has a local web console, and SONOFF lists it for Home Assistant, openHAB and Z-Wave JS. It suits Home Assistant users through an integration (Z-Wave).

- Canonical page: https://smarthomecanon.com/devices/sonoff-z-wave-800-poe-dongle-max
- Last checked: 2026-10-13

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [SONOFF](https://smarthomecanon.com/brands/sonoff) |
| Category | USB radio |
| Model numbers | Dongle-MZG23 |
| Status | Current[^1] |
| Works with | Home Assistant, openHAB, Z-Wave JS[^1] |
| Type | Network dongle, Z-Wave[^1] |
| Chip | Silicon Labs EFR32ZG23 with ESP32-D0WD-R2[^1] |
| Ships with | unknown |
| Thread RCP firmware | unknown |
| In Home Assistant ZHA docs | unknown |
| In Zigbee2MQTT docs | unknown |
| 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 Z-Wave 800 PoE Dongle Max connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Z-Wave](https://smarthomecanon.com/protocols/zwave) | Z-Wave host software such as Home Assistant, openHAB or Z-Wave JS[^1] | Yes[^1] | Accepts only firmware provided by SONOFF, Two Z-Wave adapters cannot run on the same Home Assistant integration[^1] |

**Platform support for the SONOFF Z-Wave 800 PoE Dongle Max**

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

## Related pages

- [SONOFF dongles and bridges](https://smarthomecanon.com/lines/sonoff-zigbee-dongles-and-bridges) (line)
- [SONOFF](https://smarthomecanon.com/brands/sonoff) (brand)
- [Z-Wave](https://smarthomecanon.com/protocols/zwave) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)

## Sources

[^1]: SONOFF Z-Wave 800 PoE Dongle Max | Dongle-MZG23. https://sonoff.tech/products/sonoff-z-wave-800-poe-dongle-max-dongle-mzg23 (manufacturer, checked 2026-10-13)