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

Data from Amazon and official Nabu Casa and Smlight sites.

2026 verdict

Looking at the full picture in 2026, Smlight SLZB-MR2 gets the edge. What pushes it ahead is rating, power, and connectivity, and zigbee router and amplifier gain keeps the advantage from looking narrow. Nabu Casa Home Assistant Connect ZBT-2 is still relevant if you care most about price, but Smlight SLZB-MR2 is the stronger recommendation overall. That is why the final call still favors Smlight SLZB-MR2.

Nabu Casa

Nabu Casa Home Assistant Connect ZBT-2

$65.00

BUY NOW

Winner

Smlight

Smlight SLZB-MR2

$102.99

BUY NOW

Feature	Nabu Casa Home Assistant Connect ZBT-2	Smlight SLZB-MR2	Winner
Price	$65.00	$102.99	Nabu Casa Home Assistant Connect ZBT-2
Rating	4.7	4.8	Smlight SLZB-MR2
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	10 dBm	+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 NOW

+ Price: $65.00
- Rating: 4.7 vs 4.8
- Power: USB vs USB, PoE

Winner

Smlight

Smlight SLZB-MR2

$102.99

BUY NOW

+ Rating: 4.8
+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
- Price: $102.99 vs $65.00

Frequently Asked Questions (FAQ)

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 rating, power, and connectivity.
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 $102.99.
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 $102.99. 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 that matters more than rating.
Who should buy Smlight SLZB-MR2?: Choose Smlight SLZB-MR2 if your priority is rating and power and that matters more than price.

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