Updated June 2026
Data from Amazon and official Nabu Casa and Sonoff sites.
2026 verdict
Between Sonoff ZBDongle-P and Nabu Casa Home Assistant Connect ZBT-2, Sonoff ZBDongle-P 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. Nabu Casa Home Assistant Connect ZBT-2 is still relevant if you care most about rating, thread border router, and antenna gain, but Sonoff ZBDongle-P is the stronger recommendation overall. That is enough to make Sonoff ZBDongle-P the better pick for most buyers.
| Feature | Nabu Casa Home Assistant Connect ZBT-2 | Sonoff ZBDongle-P | Winner |
|---|---|---|---|
| Price | $65.00 | $39.99 | Sonoff ZBDongle-P |
| Rating | 4.8 | 4.6 | Nabu Casa Home Assistant Connect ZBT-2 |
| Warranty | 1 year | 2 years | Sonoff ZBDongle-P |
| Zigbee Router | NO | YES | Sonoff ZBDongle-P |
| Thread Border Router | YES | NO | Nabu Casa Home Assistant Connect ZBT-2 |
| Amplifier Gain | 10 dBm | +20dBm | Sonoff ZBDongle-P |
| Antenna Gain | +4.16dBi | 2 dBi | Nabu Casa Home Assistant Connect ZBT-2 |
| Zigbee Chip Model | EFR32MG24 | CC2652P | 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 $39.99
- - Warranty: 1 year vs 2 years
Winner
$39.99
- + Price: $39.99
- + Warranty: 2 years
- + Zigbee Router: YES
- - 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 ZBDongle-P?
Sonoff ZBDongle-P 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-P?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists $65.00, while Sonoff ZBDongle-P lists $39.99.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZBT-2 is listed at $65.00, while Sonoff ZBDongle-P is listed at $39.99. Sonoff ZBDongle-P (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-P?
Choose Sonoff ZBDongle-P if your priority is price and warranty and that matters more than rating.
SmlightSLZB-MRW10
€118.62
SmlightSLZB-MR4
€150.00- Nabu Casa
Home Assistant Connect ZBT-2
$65.00 
SmlightSLZB-07
$34.99
SmlightSLZB-07p7
$36.99
SmlightSLZB-MR3
$105.99
SonoffZBDongle-E
$26.99
ZoozZ-Wave Long Range Stick
$39.95
SonoffDongle-PZG23
$39.90
SonoffZBDongle-P
$39.99
SonoffDongle Plus MG24
$35.90
SonoffDongle Lite MG21
$19.90
Nabu CasaHome Assistant Connect ZWA-2
$79.00
SmlightSLZB-06M
$75.99
AeotecZ-Stick 7
$39.99
SmlightSLZB-07 MG26
SmlightSLZB-06 MG24
$85.99
SmlightSLZB-MR2
$102.99
SonoffDongle Max
€45.02
AeotecZ-Stick 10 Pro
$59.99
CamerasSonoffCam Slim Gen2
$19.90
CamerasSonoffGK-200MP2-B
30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro
$129.90- DonglesSonoff
Dongle Lite MG21
$19.90 - DonglesSonoff
Dongle Max
€45.02 - DonglesSonoff
Dongle Plus MG24
$35.90 - DonglesSonoff
Dongle-PZG23
$39.90 - DonglesSonoff
ZBDongle-E
$26.99 - DonglesSonoff
ZBDongle-P
$39.99 
Door & Window SensorsSonoffDW2-WIFI
$12.23
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
$17.99
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
$18.99
Door & Window SensorsSonoffSenseGuard DW Gen2
€40.91
HubsSonoffiHost
$89.99
HubsSonoffZigbee Bridge Pro
$24.90
HubsSonoffZigbee Bridge Ultra
$54.99
LED BulbsSonoffWi-Fi Smart LED Bulb - Warm & Cold
$8.90
LED BulbsSonoffWi-Fi Smart LED Bulb - Color - A19
$13.92
LED BulbsSonoffWi-Fi Smart LED Bulb - Color - A60
€23.99
Motion SensorsSonoffSNZB-03 ZigBee Motion Sensor
5% OFF$18.99$18.04