Data from Amazon and official Nabu Casa and Smlight sites.
2026 verdict
In this 2026 Smlight SLZB-06 vs Nabu Casa Home Assistant Connect ZWA-2 comparison, Smlight SLZB-06 comes out ahead thanks to price, power, and connectivity. Its biggest wins come from price, power, and connectivity, and zigbee router and thread border router adds more confidence to the verdict. There is still a case for Nabu Casa Home Assistant Connect ZWA-2, but mainly if rating and z-wave controller is what you value most. For the average buyer, Smlight SLZB-06 is the safer choice.
| Feature | Nabu Casa Home Assistant Connect ZWA-2 | Smlight SLZB-06 | Winner |
|---|---|---|---|
| Price | $79.00 | $74.99 | Smlight SLZB-06 |
| Rating | 4.6 | 4.4 | Nabu Casa Home Assistant Connect ZWA-2 |
| Power | USB | USB, PoE | Smlight SLZB-06 |
| Connectivity | USB | USB, Ethernet, 2.4 GHz WiFi | Smlight SLZB-06 |
| Zigbee Router | NO | YES | Smlight SLZB-06 |
| Z-Wave Controller | YES | NO | Nabu Casa Home Assistant Connect ZWA-2 |
| Thread Border Router | NO | YES | Smlight SLZB-06 |
| Antenna Gain | +3.38dBi | +5dBi | Smlight SLZB-06 |
| Bluetooth Proxy | NO | YES | Smlight SLZB-06 |
| Warranty | 1 year | 1 year | Tie |
| Matter Bridge | NO | NO | Tie |
| Amplifier Gain | +20dB | +20dB | Tie |
$79.00
- + Rating: 4.6
- + Z-Wave Controller: YES
- - Price: $79.00 vs $74.99
- - Power: USB vs USB, PoE
Winner
$74.99
- + Price: $74.99
- + Power: USB, PoE
- + Connectivity: USB, Ethernet, 2.4 GHz WiFi
- - Rating: 4.4 vs 4.6
- - Z-Wave Controller: NO vs YES
Frequently Asked Questions
Which is better overall: Nabu Casa Home Assistant Connect ZWA-2 or Smlight SLZB-06?
Smlight SLZB-06 has the stronger overall profile in this comparison, especially for price, power, and connectivity.
What is the biggest difference between Nabu Casa Home Assistant Connect ZWA-2 and Smlight SLZB-06?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZWA-2 lists $79.00, while Smlight SLZB-06 lists $74.99.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZWA-2 is listed at $79.00, while Smlight SLZB-06 is listed at $74.99. Smlight SLZB-06 (better spec).
Who should buy Nabu Casa Home Assistant Connect ZWA-2?
Choose Nabu Casa Home Assistant Connect ZWA-2 if your priority is rating and z-wave controller and that matters more than price.
Who should buy Smlight SLZB-06?
Choose Smlight SLZB-06 if your priority is price and power and that matters more than rating.
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