Nabu Casa Home Assistant Connect ZWA-2 vs Smlight SLZB-06

Data from Amazon and official Nabu Casa and Smlight sites.

2026 verdict

In this 2026 comparison, Smlight SLZB-06 comes out ahead overall. 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.

Nabu Casa

Nabu Casa Home Assistant Connect ZWA-2

$79.00

BUY NOW

Winner

Smlight

Smlight SLZB-06

$74.99

BUY NOW

Feature	Nabu Casa Home Assistant Connect ZWA-2	Smlight SLZB-06	Winner
Price	$79.00	$74.99	Smlight SLZB-06
Rating	4.8	4.5	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

Nabu Casa

Nabu Casa Home Assistant Connect ZWA-2

$79.00

BUY NOW

+ Rating: 4.8
+ Z-Wave Controller: YES
- Price: $79.00 vs $74.99
- Power: USB vs USB, PoE

Winner

Smlight

Smlight SLZB-06

$74.99

BUY NOW

+ Price: $74.99
+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
- Rating: 4.5 vs 4.8
- Z-Wave Controller: NO vs YES

Frequently Asked Questions (FAQ)

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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