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SONOFF MG24 Zigbee and Thread USB Dongle Plus

SONOFF MG24 Zigbee and Thread USB Dongle Plus

SONOFF MG24 Zigbee and Thread USB Dongle Plus

Aeotec Smart Home Hub 2, powered by SmartThings

7 Reviews

SONOFF Zigbee/Thread USB Dongle | Dongle Plus MG24. Build a fast, private smart home hub with the high-performance Dongle Plus MG24. Powered by the EFR32MG24, it unlocks rock-solid Zigbee and Thread networks for Home Assistant and other open-source platforms.

EFR32MG24 with 1536KB Flash & 256KB RAM for snappy automations

External antenna: 3dBi (up to 4.5dBi), range up to 200 m LOS

Works with Home Assistant, Zigbee2MQTT, openHAB, more

Flash Zigbee/Router, OpenThread or MultiPAN via SONOFF Dongle Flasher

Includes 1 m USB extension to reduce interference

Durable aluminum alloy housing

USB-powered; Windows/Ubuntu/Raspberry Pi support

SONOFF Zigbee/Thread USB Dongle | Dongle Plus MG24 — One Tiny Stick, Total Smart-Home Control

Longer Range and Stable Control

Turn a PC, Raspberry Pi, or server into a powerful Zigbee/Thread gateway with the SONOFF Dongle Plus MG24 adapter. Built on the high-performance EFR32MG24, it delivers faster automations, longer range, and rock-solid control of multi-brand devices — ideal for open-source enthusiasts and pro installers alike.

Why You'll Love It

MG24 Performance Leap: EFR32MG24 with 1536 KB Flash and 256 KB RAM ensures snappy automations and quick responses from sub-devices.
Stronger, Wider Coverage: External antenna with 3 dBi gain (up to 4.5 dBi with correct angling/channel) reaches up to 200 m in open space.
Open-Source Ready: Works seamlessly with Home Assistant, Zigbee2MQTT, openHAB, and others — for local, private automations.
Flash in Minutes: Easily change roles and firmware using the Dongle Flasher Web Tool or the Add-on.
Cleaner Signal, Fewer Drops: The included 1 m USB extension cable allows you to place the dongle away from interference for higher stability.
Built to Last: Compact aluminum alloy body with a modern look (24-hour salt-spray tested).

Flexible Roles with Flashable Firmware

Zigbee Coordinator (EmberZNet/EZSP): Locally add and manage large fleets of Zigbee 3.0 devices.
Zigbee Router: Strengthen the mesh, extend coverage, and stabilize distant end devices.
OpenThread RCP: In conjunction with a Thread Border Router, connect and control Matter (via Thread) devices.
MultiPAN RCP (Zigbee + Thread 2-in-1): Coordination and monitoring of both networks with a single dongle.

Role switching is fast — upload the desired firmware via the official tools above and you are ready to go.

Designed for Real-World Installations

Omni-Adjustable Antenna: Angle it towards receiving devices for a more stable connection.
Electromagnetic Hygiene: The extension cable separates the dongle from USB 3.0 ports and metal enclosures, minimizing 2.4 GHz band interference.
Core Adapter for Mixed Brands: Unify devices from multiple manufacturers under one local, private platform.

SONOFF MG24 Technical Specifications:

Model: Dongle-PMG24
Zigbee/Thread SoC: EFR32MG24 (1536 KB Flash, 256 KB RAM)
Input: 5 V ⎓ 500 mA
Standby Power Consumption: ~40 mW
RF Frequency: 2.4 GHz
Standards: IEEE 802.15.4 / Zigbee 3.0; OpenThread (via firmware)
Antenna Gain: 3 dBi (optimizable up to 4.5 dBi)
Signal Range: up to 200 m line-of-sight (environment dependent)
Signal Strength/Output: Max 20 dBi + antenna gain 3 dBi (per firmware/hardware)
Operating Temperature/Humidity: −10 °C to 60 °C; 5 %–95 % RH
Supported OS: Windows, Ubuntu, Raspberry Pi OS/Raspbian, Docker
Dimensions: 10 mm × 18 mm × 214 mm
Casing: Aluminum Alloy, resistant to corrosion and pressure

Package Contents:

SONOFF Dongle Plus MG24
1 m USB extension cable
Specifications & quick guide

Setup and Resources:

Quick Firmware Flashing: Dongle Flasher Web Tool or Add-on (role switching in about a minute).
Manuals and Guides: dongle.sonoff.tech

Important Information:

Range and throughput depend on the environment, antenna orientation, and noise level in the band.
Matter via Thread requires a compatible Thread Border Router (sold separately).
MultiPAN and role behaviour depend on the specific firmware you upload.