Updated June 2026
Data from Amazon and official Nabu Casa and Sonoff sites.
2026 verdict
Between Sonoff ZBDongle-E and Nabu Casa Home Assistant Connect ZBT-2, Sonoff ZBDongle-E is the better overall pick in 2026, leading on price, warranty, and zigbee router. 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 rating, 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 |
| Rating | 4.8 | 4.7 | Nabu Casa Home Assistant Connect ZBT-2 |
| 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 |
| Power | USB | USB | Tie |
| Connectivity | USB | USB | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Matter Bridge | NO | NO | Tie |
$65.00
- + Rating: 4.8
- + 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
- - Rating: 4.7 vs 4.8
- - Thread Border Router: NO vs YES
Frequently Asked Questions
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 rating and thread border router 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 rating.
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