Sonoff Dongle Lite MG21

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Product details

Sonoff Dongle Lite MG21 is a Zigbee USB coordinator powered by the EFR32MG21 chip. It works as a Zigbee gateway in Home Assistant, Zigbee2MQTT, and other open-source platforms to locally control all your Zigbee devices.

Key specifications

Smart Home Hub type
Smart Home Gateway
Smart home ecosystem
Amazon Alexa, Google Assistant, Homee Smart Home, Homematic IP, ZigBee
Communication standard
Thread, ZigBee
Control type
App
Transmission type
Thread, USB, ZigBee

General information

Item number
64311442
Manufacturer
Sonoff
Category
Smart home hubs
Manufacturer No.
Dongle-LMG21
Release date
20.10.2025
Sales rank in Category Smart home hubs
56 of 407
External links
Manufacturer's site (de)

Colour

Colour
Black

Smart home features

Smart Home Hub type
Smart Home Gateway
Smart home ecosystem
Amazon Alexa, Google Assistant, Homee Smart Home, Homematic IP, ZigBee
Communication standard
Thread, ZigBee
Control type
App
Transmission type
Thread, USB, ZigBee

Connections

USB ports
USB-A

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
61.91 kg
Climate contribution
CHF 0.89

Scope of delivery

Scope of delivery
USB extension cable

Package dimensions

Length
14.20 cm
Width
5.10 cm
Height
1.60 cm
Weight
43 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Smart home hubs» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 4.Broadlink
    0.5 %
  • 5.Homematic IP
    0.6 %
  • 6.Sonoff
    0.8 %
  • 7.Aeotec
    1 %
  • 7.Aqara
    1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Aqara
    0 days
  • 1.Shelly
    0 days
  • 1.Sonoff
    0 days
  • 1.SwitchBot
    0 days
  • 1.TP-Link
    0 days

Return rate

How often is a product of this brand in the «Smart home hubs» category returned?

Source: Digitec Galaxus
  • 3.Nabu Casa
    1.9 %
  • 3.TP-Link
    1.9 %
  • 5.Sonoff
    2.2 %
  • 6.Bosch Smart Home
    2.7 %
  • 7.eufy
    2.8 %
Source: Digitec Galaxus