Nabu Casa Home Assistant Connect ZBT-2 vs Smlight SLZB-MR2 comparison

Data from Amazon and official Nabu Casa and Smlight sites.

2026 verdict

Smlight SLZB-MR2 edges out Nabu Casa Home Assistant Connect ZBT-2 in 2026, led by power, connectivity, and zigbee router. What pushes it ahead is power, connectivity, and zigbee router, and amplifier gain and antenna gain keep the advantage from looking narrow. Nabu Casa Home Assistant Connect ZBT-2 is still relevant if you care most about price and rating, but Smlight SLZB-MR2 is the stronger recommendation overall. That is why the final call still favors Smlight SLZB-MR2.

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Feature	Nabu Casa Home Assistant Connect ZBT-2	Smlight SLZB-MR2	Winner
Price	$65.00	£160.48	Nabu Casa Home Assistant Connect ZBT-2
Rating	4.8	4.6	Nabu Casa Home Assistant Connect ZBT-2
Power	USB	USB, PoE	Smlight SLZB-MR2
Connectivity	USB	USB, Ethernet, 2.4 GHz WiFi	Smlight SLZB-MR2
Zigbee Router	NO	YES	Smlight SLZB-MR2
Amplifier Gain	10dBm	+20dB	Smlight SLZB-MR2
Antenna Gain	+4.16dBi	+5dBi	Smlight SLZB-MR2
Dual Network	NO	YES	Smlight SLZB-MR2
Bluetooth Proxy	NO	YES	Smlight SLZB-MR2
Zigbee Chip Model	EFR32MG24	EFR32MG21 / CC2652P	Different strengths
Warranty	1 year	1 year	Tie
Z-Wave Controller	NO	NO	Tie

Nabu Casa

Nabu Casa Home Assistant Connect ZBT-2

$65.00

Buy on Amazon USA

+ Price: $65.00
+ Rating: 4.8
- Power: USB vs USB, PoE
- Connectivity: USB vs USB, Ethernet, 2.4 GHz WiFi

Winner

Smlight

Smlight SLZB-MR2

£160.48

Buy on Amazon UK

+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz WiFi
+ Zigbee Router: YES
- Price: £160.48 vs $65.00
- Rating: 4.6 vs 4.8

Frequently Asked Questions

Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Smlight SLZB-MR2?

Smlight SLZB-MR2 has the stronger overall profile in this comparison, especially for power, connectivity, and zigbee router.

What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Smlight SLZB-MR2?

Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists $65.00, while Smlight SLZB-MR2 lists £160.48.

Which one looks better on price?

Nabu Casa Home Assistant Connect ZBT-2 is listed at $65.00, while Smlight SLZB-MR2 is listed at £160.48. Nabu Casa Home Assistant Connect ZBT-2 (better spec).

Who should buy Nabu Casa Home Assistant Connect ZBT-2?

Choose Nabu Casa Home Assistant Connect ZBT-2 if your priority is price and rating and that matters more than power.

Who should buy Smlight SLZB-MR2?

Choose Smlight SLZB-MR2 if your priority is power and connectivity and that matters more than price.

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