in 18 offers
The lowest price for Sonoff Dongle-lmg21 USB Adapter right now is $25.16 at AliExpress.com - AliExpress-226247430, compared across 14 retailers.
The all-time low was $25.16 on 1 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 1 Nov 2026.
Sonoff Dongle-lmg21 USB Adapter
Last updated at 01/11/2026 18:09:03
SONOFF Zigbee 3.0 & Thread Dongle Lite (EFR32MG21) | USB Stick Coordinator for Home Assistant & Zigbee2MQTT | Compact Gateway with Easy Firmware
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle Dongle-LMG21 EFR32MG21 Compact Size 65% Smaller
Free delivery
Wholesale SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle Dongle-LMG21 EFR32MG21 Compact ize 65% maller Than ZBDongle-E Cost-Effective,1 Piece
Delivery $4.68
SONOFF Dongle Lite MG21 Zigbee Thread USB Zigbee2MQTT ZHA
Delivery $12.74
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle | Dongle-LMG21
Free delivery
Sonoff Dongle Lite MG21 Zigbee/Thread USB Dongle
Delivery between 4–16 Nov $39.87
Sonoff Dongle LMG21 – Dongle Lite MG21 Zigbee/Thread USB
Sonoff Zigbee/matter Over Thread Usb Dongle
Delivery $10
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle | Dongle-LMG21
Free delivery between 9–13 Nov
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle | Dongle-LMG21
Delivery between 3–12 Nov $9.95
| Interface Type | USB |
| Ports and Interfaces | USB |
| USB Standard | USB 3.0 (minimizes electromagnetic interference) |
| Wireless Standard | IEEE 802.15.4 (Zigbee) |
| Wireless Protocol | Zigbee |
SONOFF Zigbee 3.0 & Thread Dongle Lite (EFR32MG21) | USB Stick Coordinator for Home Assistant & Zigbee2MQTT | Compact Gateway with Easy Firmware
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle Dongle-LMG21 EFR32MG21 Compact Size 65% Smaller
Free delivery
Wholesale SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle Dongle-LMG21 EFR32MG21 Compact ize 65% maller Than ZBDongle-E Cost-Effective,1 Piece
Delivery $4.68
SONOFF Dongle Lite MG21 Zigbee Thread USB Zigbee2MQTT ZHA
Delivery $12.74
SONOFF Dongle Lite MG21 Zigbee/Thread USB Dongle | Dongle-LMG21
Free delivery
| Interface Type | USB |
| Ports and Interfaces | USB |
| USB Standard | USB 3.0 (minimizes electromagnetic interference) |
| Wireless Standard | IEEE 802.15.4 (Zigbee) |
| Wireless Protocol | Zigbee |