SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle | Dongle-LMG21

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【Proven EFR32MG21 Chip】Trusted by millions of users, the EFR32MG21 chip ensures reliable and stable performance.
Compact Size】65% smaller than the ZBDongle-E, making it more flexible to fit into various USB ports.
Wide Platform Compatibility】Works seamlessly with multiple open-source platforms such as Home Assistant, Zigbee2MQTT and openHAB to meet diverse user needs.
Easy Firmware Flashing】Supports firmware flashing via the SONOFF Dongle Flasher tool, allowing you to switch between different operating modes effortlessly.
Includes USB Extension Cable】Enables flexible placement and minimizes electromagnetic interference from USB 3.0 ports.

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30 Days No Reason Returns
2-Year Hassle-Free Warranty

Cost-Effective Dongle Choice

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Ultrasonic-Welded Compact Design

Dongle Lite MG21 features a compact and streamlined design, allowing flexible installation on different USB ports.

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标题与正文样式示例

Step into Open-Source Platforms

Dongle Lite MG21 can serve as a Zigbee coordinator for mainstream open-source platforms such as Home Assistant and Zigbee2MQTT. Plug and play, easy to add devices from different brands and types

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Cost-Effective,
Popular Choice

Trusted by Millions of Users

Powered by EFR32MG21

Chosen by Millions, Stable Performance with Low Power Consumption, Fully Unlocking Hardware Potential

Highly Praised Design

Adjustable Antenna

Hidden shaft design with adjustable angles, reaching up to 140m stable coverage in open spaces

Included and No Extra Cost

USB Extension Cable

Comes with a 0.5m extension cable, minimizing electromagnetic interference for a smoother, more reliable experience

Flexible Flashing
for Various Roles

Dongle Lite MG21 supports flashing multiple firmware, allowing flexible use according to your needs.

Pre-installed firmware, using the EmberZNet protocol stack, supports adding multiple Zigbee devices

Functions as a Zigbee network router to strengthen connections and improve the stability of your home’s Zigbee devices.

Runs the OpenThread protocol stack and works with a Thread Border Router, supporting the connection and control of Matter (Matter over Thread) devices.

With Zigbee and OpenThread 2-in-1 integration, a single dongle lets you connect and manage both Zigbee and Thread devices at the same time.

Flexible Flashing for Various Roles

Dongle Lite MG21 supports flashing multiple firmware, allowing flexible use according to your needs.

Web tool

https://dongle.sonoff.tech/sonoff-dongle-flasher/

Add-on

https://github.com/iHost-Open-Source-Project/hassio-ihost-addon/tree/master/hassio-ihost-sonoff-dongle-flasher

Dedicated Tutorial Website

Access our specialized tutorial site anytime to learn how to use the device or troubleshoot issues with ease.

Web tool

https://dongle.sonoff.tech/

Flexible Flashing for Various Roles

Dongle Lite MG21 supports flashing multiple firmware, allowing flexible use according to your needs.

Web tool

https://dongle.sonoff.tech/sonoff-dongle-flasher/

Add-on

https://github.com/iHost-Open-Source-Project/hassio-ihost-addon/tree/master/hassio-ihost-sonoff-dongle-flasher

Dedicated Tutorial Website

Access our specialized tutorial site anytime to learn how to use the device or troubleshoot issues with ease.

Web tool

https://dongle.sonoff.tech/

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Specs & User Manual

SONOFF Dongle Lite MG21 is a compact Zigbee USB coordinator powered by the stable EFR32MG21 chip. It works with Home Assistant, openHAB, and Zigbee2MQTT for local control of all Zigbee devices. The small size fits various USB ports or can be flexibly placed using the included extension cable. It also supports firmware flashing via the Dongle Flasher tool to switch between different open-source platform roles.

User Manual (PDF)
Model

Dongle-LMG21

Input

5V⎓500mA

Zigbee

IEEE 802.15.4

Working Temperature

-10℃~60℃

Casing materials

Aluminum, PC+ABS

FAQ

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