Updated October 2026
Data from the official Nabu Casa and Smlight sites.
2026 verdict
Between Smlight SLZB-06 U and Nabu Casa Home Assistant Connect ZBT-2, Smlight SLZB-06 U is the better overall pick in 2026, leading on rating, warranty, and power.
What pushes it ahead is rating, warranty, and power, and connectivity and zigbee router keep the advantage from looking narrow. Pick Nabu Casa Home Assistant Connect ZBT-2 only when its specific feature mix is the deciding factor for your setup. That keeps the verdict firmly in favor of Smlight SLZB-06 U.
Works with
Connectivity
vs
Winner
Works with
Connectivity
- Wi-Fi 2.4 GHz
- Ethernet
- Thread border router
- Zigbee coordinator
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| Feature | Nabu Casa Home Assistant Connect ZBT-2 | Smlight SLZB-06 U | Winner |
|---|---|---|---|
| Rating | 4.7 | 5.0 | Smlight SLZB-06 U |
| Warranty | 1 year | 3 years | Smlight SLZB-06 U |
| Power | USB | USB, PoE | Smlight SLZB-06 U |
| Connectivity | USB | USB, Ethernet, 2.4 GHz WiFi | Smlight SLZB-06 U |
| Zigbee Router | NO | YES | Smlight SLZB-06 U |
| Transmit Power | +10dBm | +20dBm | Smlight SLZB-06 U |
| Antenna Gain | +4.16dBi | +5dB | Smlight SLZB-06 U |
| Zigbee Chip Model | EFR32MG24 | CC2652P | Different strengths |
| Z-Wave Controller | NO | NO | Tie |
| Thread Border Router | YES | YES | Tie |
| Matter Bridge | NO | NO | Tie |
| Dual Network | NO | NO | Tie |
- - Rating: 4.7 vs 5.0
- - Warranty: 1 year vs 3 years
Winner
$72.99
- + Rating: 5.0
- + Warranty: 3 years
- + Power: USB, PoE
Frequently Asked Questions
Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Smlight SLZB-06 U?
Smlight SLZB-06 U has the stronger overall profile in this comparison, especially for rating, warranty, and power.
What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Smlight SLZB-06 U?
Rating is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists 4.7, while Smlight SLZB-06 U lists 5.0.
Who should buy Nabu Casa Home Assistant Connect ZBT-2?
Choose Nabu Casa Home Assistant Connect ZBT-2 if your priority is its specific strengths and that matters more than rating.
Who should buy Smlight SLZB-06 U?
Choose Smlight SLZB-06 U if your priority is rating and warranty and that matters more than the competing advantages.
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