SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle | Dongle-LMG21
【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.
Quantity:
Cost-Effective Dongle Choice

Ultrasonic-Welded Compact Design
Dongle Lite MG21 features a compact and streamlined design, allowing flexible installation on different USB ports.
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
Cost-Effective,
Popular Choice
Highly Praised Design
Adjustable Antenna
Hidden shaft design with adjustable angles, reaching up to 140m stable coverage in open spaces
Trusted by Millions of Users
Powered by EFR32MG21
Chosen by Millions, Stable Performance with Low Power Consumption, Fully Unlocking Hardware Potential
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.
Specifications
| Brand | Sonoff |
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