Updated April 2026
Data from Amazon and official Nabu Casa and Sonoff sites.
2026 verdict
In 2026, Sonoff ZBDongle-E is the better overall pick. Its clearest strengths are price, warranty, and zigbee router, and it still looks stronger on amplifier gain. Pick Nabu Casa Home Assistant Connect ZBT-2 only when thread border router and antenna gain is the deciding factor for your setup. In practical terms, Sonoff ZBDongle-E is the easier product to recommend.
| Feature | Nabu Casa Home Assistant Connect ZBT-2 | Sonoff ZBDongle-E | Winner |
|---|---|---|---|
| Price | $65.00 | $26.99 | Sonoff ZBDongle-E |
| Warranty | 1 year | 2 years | Sonoff ZBDongle-E |
| Zigbee Router | NO | YES | Sonoff ZBDongle-E |
| Thread Border Router | YES | NO | Nabu Casa Home Assistant Connect ZBT-2 |
| Amplifier Gain | 10 dBm | +20dBm | Sonoff ZBDongle-E |
| Antenna Gain | +4.16dBi | 2 dBi | Nabu Casa Home Assistant Connect ZBT-2 |
| Zigbee Chip Model | EFR32MG24 | EFR32MG21 | Different strengths |
| Rating | 4.7 | 4.7 | Tie |
| Power | USB | USB | Tie |
| Connectivity | USB | USB | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Matter Bridge | NO | NO | Tie |
$65.00
- + Thread Border Router: YES
- + Antenna Gain: +4.16dBi
- - Price: $65.00 vs $26.99
- - Warranty: 1 year vs 2 years
Winner
$26.99
- + Price: $26.99
- + Warranty: 2 years
- + Zigbee Router: YES
- - Thread Border Router: NO vs YES
- - Antenna Gain: 2 dBi vs +4.16dBi
Frequently Asked Questions (FAQ)
- Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Sonoff ZBDongle-E?
- Sonoff ZBDongle-E has the stronger overall profile in this comparison, especially for price, warranty, and zigbee router.
- What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Sonoff ZBDongle-E?
- Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists $65.00, while Sonoff ZBDongle-E lists $26.99.
- Which one looks better on price?
- Nabu Casa Home Assistant Connect ZBT-2 is listed at $65.00, while Sonoff ZBDongle-E is listed at $26.99. Sonoff ZBDongle-E (better spec).
- Who should buy Nabu Casa Home Assistant Connect ZBT-2?
- Choose Nabu Casa Home Assistant Connect ZBT-2 if your priority is thread border router and antenna gain and that matters more than price.
- Who should buy Sonoff ZBDongle-E?
- Choose Sonoff ZBDongle-E if your priority is price and warranty and that matters more than thread border router.
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