Updated June 2026
Data from Amazon and official Nabu Casa and Sonoff sites.
2026 verdict
Across the 2026 comparison, Sonoff Dongle-PZG23 earns the nod over Nabu Casa Home Assistant Connect ZBT-2 on the strength of price, z-wave controller, and amplifier gain. It has the clearer edge on price, z-wave controller, and amplifier gain, and it stays ahead on its broader overall balance. Nabu Casa Home Assistant Connect ZBT-2 is the better fit only for buyers who prioritize rating, thread border router, and antenna gain above everything else here. In practical terms, Sonoff Dongle-PZG23 is the easier product to recommend.
| Feature | Nabu Casa Home Assistant Connect ZBT-2 | Sonoff Dongle-PZG23 | Winner |
|---|---|---|---|
| Price | $65.00 | $39.90 | Sonoff Dongle-PZG23 |
| Rating | 4.8 | 4.6 | Nabu Casa Home Assistant Connect ZBT-2 |
| Z-Wave Controller | NO | YES | Sonoff Dongle-PZG23 |
| Thread Border Router | YES | NO | Nabu Casa Home Assistant Connect ZBT-2 |
| Amplifier Gain | 10 dBm | +20dB | Sonoff Dongle-PZG23 |
| Antenna Gain | +4.16dBi | 2 dBi | Nabu Casa Home Assistant Connect ZBT-2 |
| Warranty | 1 year | 1 year | Tie |
| Power | USB | USB | Tie |
| Connectivity | USB | USB | Tie |
| Zigbee Router | NO | NO | Tie |
| Matter Bridge | NO | NO | Tie |
| Dual Network | NO | NO | Tie |
$65.00
- + Rating: 4.8
- + Thread Border Router: YES
- + Antenna Gain: +4.16dBi
- - Price: $65.00 vs $39.90
- - Z-Wave Controller: NO vs YES
Winner
$39.90
- + Price: $39.90
- + Z-Wave Controller: YES
- + Amplifier Gain: +20dB
- - Rating: 4.6 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 Dongle-PZG23?
Sonoff Dongle-PZG23 has the stronger overall profile in this comparison, especially for price, z-wave controller, and amplifier gain.
What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Sonoff Dongle-PZG23?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists $65.00, while Sonoff Dongle-PZG23 lists $39.90.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZBT-2 is listed at $65.00, while Sonoff Dongle-PZG23 is listed at $39.90. Sonoff Dongle-PZG23 (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 Dongle-PZG23?
Choose Sonoff Dongle-PZG23 if your priority is price and z-wave controller and that matters more than rating.
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