Dongles · Head to head

Nabu Casa Home Assistant Connect ZBT-2 vs Smlight SLZB-06 U

Full Smart Dongles comparison in 2026

Updated October 2026
Data from Amazon and official Nabu Casa and Smlight sites.
2026 verdict
Between Smlight SLZB-06 U and Nabu Casa Home Assistant Connect ZBT-2, Smlight SLZB-06 U is the better overall pick in 2026, leading on rating, warranty, and power.
Smlight SLZB-06 U
Winner
Smlight SLZB-06 U
$72.99

Last recorded price

Buy on Amazon USA
What pushes it ahead is rating, warranty, and power, and connectivity and zigbee router keep the advantage from looking narrow. Pick Nabu Casa Home Assistant Connect ZBT-2 only when its specific feature mix is the deciding factor for your setup. That keeps the verdict firmly in favor of Smlight SLZB-06 U.
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FeatureNabu Casa Home Assistant Connect ZBT-2Smlight SLZB-06 UWinner
Rating4.75.0Smlight SLZB-06 U
Warranty1 year3 yearsSmlight SLZB-06 U
PowerUSBUSB, PoESmlight SLZB-06 U
ConnectivityUSBUSB, Ethernet, 2.4 GHz WiFiSmlight SLZB-06 U
Zigbee RouterNOYESSmlight SLZB-06 U
Transmit Power+10dBm+20dBmSmlight SLZB-06 U
Antenna Gain+4.16dBi+5dBSmlight SLZB-06 U
Zigbee Chip ModelEFR32MG24CC2652PDifferent strengths
Z-Wave ControllerNONOTie
Thread Border RouterYESYESTie
Matter BridgeNONOTie
Dual NetworkNONOTie

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • Nabu Casa Home Assistant Connect ZBT-2
  • Smlight SLZB-06 U

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Frequently Asked Questions

Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Smlight SLZB-06 U?

Smlight SLZB-06 U has the stronger overall profile in this comparison, especially for rating, warranty, and power.

What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Smlight SLZB-06 U?

Rating is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists 4.7, while Smlight SLZB-06 U lists 5.0.

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 rating.

Who should buy Smlight SLZB-06 U?

Choose Smlight SLZB-06 U if your priority is rating and warranty and that matters more than the competing advantages.

Full comparison table

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  • 36 Dongles
  • 32 specs compared
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