| Feature | Nabu Casa Home Assistant Connect ZBT-2 | Sonoff Dongle Lite MG21 | Winner |
|---|---|---|---|
| Price | $65.00 | $19.90 | Sonoff Dongle Lite MG21 |
| Rating | 4.8 | 4.6 | Nabu Casa Home Assistant Connect ZBT-2 |
| Zigbee Router | NO | YES | Sonoff Dongle Lite MG21 |
| Amplifier Gain | 10 dBm | +20 dBm | Sonoff Dongle Lite MG21 |
| Antenna Gain | +4.16dBi | +3dBi | Nabu Casa Home Assistant Connect ZBT-2 |
| Zigbee Chip Model | EFR32MG24 | EFR32MG21 | Different strengths |
| Warranty | 1 year | 1 year | Tie |
| Power | USB | USB | Tie |
| Connectivity | USB | USB | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Thread Border Router | YES | YES | Tie |
| Matter Bridge | NO | NO | Tie |
- + Rating: 4.8
- + Antenna Gain: +4.16dBi
- - Price: $65.00 vs $19.90
- - Zigbee Router: NO vs YES
- + Price: $19.90
- + Zigbee Router: YES
- + Amplifier Gain: +20 dBm
- - Rating: 4.6 vs 4.8
- - Antenna Gain: +3dBi vs +4.16dBi
Frequently Asked Questions
Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Sonoff Dongle Lite MG21?
Sonoff Dongle Lite MG21 has the stronger overall profile in this comparison, especially for price, zigbee router, and amplifier gain.
What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Sonoff Dongle Lite MG21?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists $65.00, while Sonoff Dongle Lite MG21 lists $19.90.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZBT-2 is listed at $65.00, while Sonoff Dongle Lite MG21 is listed at $19.90. Sonoff Dongle Lite MG21 (better spec).
Who should buy Nabu Casa Home Assistant Connect ZBT-2?
Choose Nabu Casa Home Assistant Connect ZBT-2 if your priority is rating and antenna gain and that matters more than price.
Who should buy Sonoff Dongle Lite MG21?
Choose Sonoff Dongle Lite MG21 if your priority is price and zigbee router and that matters more than rating.
