Nabu Casa Home Assistant Connect ZBT-2 vs Smlight SLZB-MR1U

Data from Amazon and official Nabu Casa and Smlight sites.

2026 verdict

Looking at the full picture in 2026, Smlight SLZB-MR1U gets the edge. What pushes it ahead is power, connectivity, and zigbee router, and amplifier gain and antenna gain keeps the advantage from looking narrow. Nabu Casa Home Assistant Connect ZBT-2 is the better fit only for buyers who prioritize its specific feature mix above everything else here. For most setups, Smlight SLZB-MR1U is the smarter buy.

Nabu Casa

Nabu Casa Home Assistant Connect ZBT-2

$65.00

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Winner

Smlight

Smlight SLZB-MR1U

Price unavailable right now

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Feature	Nabu Casa Home Assistant Connect ZBT-2	Smlight SLZB-MR1U	Winner
Power	USB	USB, PoE	Smlight SLZB-MR1U
Connectivity	USB	USB, Ethernet, 2.4 GHz Wifi	Smlight SLZB-MR1U
Zigbee Router	NO	YES	Smlight SLZB-MR1U
Amplifier Gain	10 dBm	+20dB	Smlight SLZB-MR1U
Antenna Gain	+4.16dBi	+5dBi	Smlight SLZB-MR1U
Dual Network	NO	YES	Smlight SLZB-MR1U
Bluetooth Proxy	NO	YES	Smlight SLZB-MR1U
Zigbee Chip Model	EFR32MG24	EFR32MG21 / CC2652P7	Different strengths
Warranty	1 year	1 year	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie

Nabu Casa

Nabu Casa Home Assistant Connect ZBT-2

$65.00

BUY NOW

- Power: USB vs USB, PoE
- Connectivity: USB vs USB, Ethernet, 2.4 GHz Wifi

Winner

Smlight

Smlight SLZB-MR1U

Price unavailable right now

BUY NOW

+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
+ Zigbee Router: YES

Frequently Asked Questions (FAQ)

Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Smlight SLZB-MR1U?: Smlight SLZB-MR1U 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-MR1U?: Power is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists USB, while Smlight SLZB-MR1U lists USB, PoE.
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 power.
Who should buy Smlight SLZB-MR1U?: Choose Smlight SLZB-MR1U if your priority is power and connectivity and that matters more than the competing advantages.

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