Winner
Updated October 2026
Data from Amazon and official Sonoff and Zooz sites.
2026 verdict
Matching the protocol to your devices decides this dongle comparison more than any single spec, and on paper the Sonoff Dongle Lite MG21 comes out ahead as the cheaper, more versatile radio.
It works as a Zigbee 3.0 coordinator and router that can also be flashed into a Thread border router for Matter, none of which the Zooz Z-Wave Long Range Stick can do. The Zooz remains the obvious pick for a Z-Wave home, with a plug-and-play Z-Wave 800 controller, Long Range support and S2 security, a higher owner rating and a standout 5 year warranty against the Sonoff's 1 year. Both are compact USB sticks that plug into a Home Assistant host and adopt devices with little fuss. Buy the Sonoff Dongle Lite MG21 for affordable Zigbee with optional Thread; buy the Zooz Z-Wave Long Range Stick when your locks and sensors run on Z-Wave and you want the longer warranty and range.
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| Feature | Sonoff Dongle Lite MG21 | Zooz Z-Wave Long Range Stick | Winner |
|---|---|---|---|
| Price | $24.90 | $39.95 | Sonoff Dongle Lite MG21 |
| Rating | 4.5 | 4.6 | Zooz Z-Wave Long Range Stick |
| Warranty | 1 year | 5 years | Zooz Z-Wave Long Range Stick |
| Zigbee Router | YES | NO | Sonoff Dongle Lite MG21 |
| Z-Wave Controller | NO | YES | Zooz Z-Wave Long Range Stick |
| Thread Border Router | YES | NO | Sonoff Dongle Lite MG21 |
| Power | USB | USB | Tie |
| Connectivity | USB | USB | Tie |
| Matter Bridge | NO | NO | Tie |
| Dual Network | NO | NO | Tie |
| Bluetooth Proxy | NO | NO | Tie |
What the differences mean
Protocol
The Sonoff Dongle Lite MG21 is a Zigbee 3.0 coordinator that can be flashed into a Thread radio. The Zooz Z-Wave Long Range Stick is a dedicated Z-Wave 800 controller. Neither substitutes for the other, so what you already own decides which fits.
Warranty
The Zooz Z-Wave Long Range Stick carries a 5 year warranty against the Sonoff Dongle Lite MG21's 1 year, a wide gap for two similarly priced USB radios.
Antenna hardware
The Sonoff Dongle Lite MG21 has one external antenna. The Zooz Z-Wave Long Range Stick has none, relying on its internal design instead.
Long Range and security
The Zooz Z-Wave Long Range Stick adds Z-Wave Long Range for direct point-to-point reach plus S2 security, features specific to the Z-Wave protocol that the Sonoff Dongle Lite MG21 has no equivalent for.
Which one to buy if
- your devices are Zigbee, or you want the option of a Thread radio too
The Sonoff Dongle Lite MG21 coordinates Zigbee out of the box and flashes into Thread; the Zooz does neither.
- your locks, sensors and switches run on Z-Wave
The Zooz Z-Wave Long Range Stick is a dedicated Z-Wave 800 controller with Long Range and S2 security.
- warranty length matters to you
Its 5 year warranty is five times the Sonoff Dongle Lite MG21's 1 year.
- you want an external antenna you can reposition for range
Only the Sonoff Dongle Lite MG21 has one; the Zooz has no external antenna.
Winner
- + Price: $24.90
- + Zigbee Router: YES
- + Thread Border Router: YES
- - Rating: 4.5 vs 4.6
- - Warranty: 1 year vs 5 years
- + Rating: 4.6
- + Warranty: 5 years
- + Z-Wave Controller: YES
- - Price: $39.95 vs $24.90
- - Zigbee Router: NO vs YES
What owners say
Owners of both dongles praise how little fuss it takes to get running with Home Assistant, recognized quickly with no serious troubleshooting either way. Sonoff Dongle Lite MG21 owners like that the same stick works as a Zigbee coordinator, a router, or, once flashed, a Thread radio, and credit the bundled USB extension cable with moving it clear of USB 3 interference, though they warn that Matter over Thread takes real effort to set up since it ships configured for Zigbee. Zooz Z-Wave Long Range Stick owners describe it as recognized instantly with no driver on a Mac, Pi or mini-PC, adopting locks, thermostats and plugs with no compatibility errors, and its stable range covering a two-story home and backyard sensors is a recurring highlight, with the caveat that true Long Range reach for very distant devices is more limited and that buyers must order the version matched to their region's frequency.
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Sonoff Dongle Lite MG21
- Zooz Z-Wave Long Range Stick
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Frequently Asked Questions
Which should I buy, the Sonoff Dongle Lite MG21 or the Zooz Z-Wave Long Range Stick?
It depends on your devices, but the Sonoff Dongle Lite MG21 wins overall as the cheaper, more flexible stick that covers Zigbee and, once flashed, Thread. The Zooz Z-Wave Long Range Stick is the pick if you run Z-Wave, thanks to its Z-Wave 800 Long Range controller, higher rating and 5 year warranty.
What is the biggest difference between the Sonoff Dongle Lite MG21 and the Zooz Z-Wave Long Range Stick?
Protocol. The Dongle Lite MG21 is a Zigbee coordinator that can flash into a Thread radio, while the Zooz is a dedicated Z-Wave 800 controller with Long Range and S2 security. They serve different device ecosystems, so what you already own decides the winner.
Which has the longer warranty?
The Zooz Z-Wave Long Range Stick, at 5 years against the Sonoff Dongle Lite MG21's 1 year. Both are USB-only radios that plug into a host running Home Assistant.
Does the Sonoff Dongle Lite MG21 have an external antenna?
Yes, one. The Zooz Z-Wave Long Range Stick has no external antenna.
Who should buy the Sonoff Dongle Lite MG21?
Buy the Sonoff Dongle Lite MG21 if you want an affordable Zigbee coordinator or router for Home Assistant, with the option to flash it for Thread and Matter. It has no Z-Wave.
Who should buy the Zooz Z-Wave Long Range Stick?
Buy the Zooz Z-Wave Long Range Stick if your smart home runs on Z-Wave and you want a plug-and-play Z-Wave 800 Long Range controller with S2 security, a high owner rating and a 5 year warranty. It does no Zigbee or Thread and is indoor-only.
Full comparison table
Compare all 36 Dongles side by side
You are looking at two of them. The full table lines up all Dongles in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 36 Dongles
- 32 specs compared
- 29 filters
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SmlightSLZB-06p7U
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Dongle Plus MG24
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Dongle Plus PP10
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Dongle-PZG23
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DonglesSonoffZ-Wave 800 PoE Dongle Max
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ZBDongle-E
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ZBDongle-P
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