Sonoff - Zigbee and Thread USB Dongle Sonoff Lite MG21

Sonoff Lite Thread USB Dongle MG21: Compact Zigbee and Thread Gateway

The SONOFF Dongle Lite MG21 is a compact and budget-friendly USB Zigbee and Thread gateway, perfect for users beginning their smart home journey. Powered by the EFR32MG21 chipset, it offers local and cloud-free management of your Zigbee devices through leading open-source platforms like Home Assistant, Zigbee2MQTT, and Jeedom.

Whether used as a coordinator or router, the Dongle Lite MG21 ensures stable and flexible performance. Its support for the EmberZNet (EZSP) protocol guarantees reliable communication, while the included 0.5 m USB extension cable helps optimize signal quality by minimizing USB port interference.

Main Features

• USB Zigbee and Thread gateway based on Silicon Labs EFR32MG21 SoC
• Supports Zigbee 3.0 and Thread RCP protocols
• Compatible with EmberZNet (EZSP) for enhanced stability
• Prepares users for local, cloud-free smart home automation
• Ideal for beginner-friendly installations
• Works in both Zigbee coordinator and router firmware modes
• External antenna with up to 3 dBi gain for improved signal strength
• Includes USB extension cable (0.5 m) for optimal positioning

Technical Specifications

• Reference: DONGLE-LMG21
• Processor (SoC): EFR32MG21
• Interface Protocol: EmberZNet (EZSP)
• Supported Firmware: Zigbee Coordinator, Zigbee Router, Thread RCP, MultiPAN
• Antenna: 1 external antenna (2 dBi typical, 3 dBi max)
• Connectivity: USB
• Supported Platforms: Home Assistant, Jeedom, Zigbee2MQTT, OpenHAB, Domoticz
• Included Accessory: USB extension cable (0.5 m)
• Materials: ABS + electronic components
• Color: White
• Dimensions: Approx. 7.5 × 2.5 × 1.5 cm
• Weight: Approx. 30 g