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

Full Smart Dongles comparison in 2026

Data from Amazon and official Nabu Casa and Smlight sites.
2026 verdict
For 2026, Smlight SLZB-MR2 is the stronger overall choice. Its clearest strengths are power, connectivity, and zigbee router, and it still looks stronger on thread border router and antenna gain. Pick Nabu Casa Home Assistant Connect ZWA-2 only when price and z-wave controller is the deciding factor for your setup. That makes Smlight SLZB-MR2 the clearer recommendation in 2026.
FeatureNabu Casa Home Assistant Connect ZWA-2Smlight SLZB-MR2Winner
Price$79.00$102.99Nabu Casa Home Assistant Connect ZWA-2
PowerUSBUSB, PoESmlight SLZB-MR2
ConnectivityUSBUSB, Ethernet, 2.4 GHz WifiSmlight SLZB-MR2
Zigbee RouterNOYESSmlight SLZB-MR2
Z-Wave ControllerYESNONabu Casa Home Assistant Connect ZWA-2
Thread Border RouterNOYESSmlight SLZB-MR2
Antenna Gain+3.38dBi+5dBiSmlight SLZB-MR2
Dual NetworkNOYESSmlight SLZB-MR2
Bluetooth ProxyNOYESSmlight SLZB-MR2
Rating4.84.8Tie
Warranty1 year1 yearTie
Matter BridgeNONOTie
Winner
$102.99
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  • + Power: USB, PoE
  • + Connectivity: USB, Ethernet, 2.4 GHz Wifi
  • + Zigbee Router: YES
  • - Price: $102.99 vs $79.00
  • - Z-Wave Controller: NO vs YES

Frequently Asked Questions (FAQ)

Which is better overall: Nabu Casa Home Assistant Connect ZWA-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 ZWA-2 and Smlight SLZB-MR2?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZWA-2 lists $79.00, while Smlight SLZB-MR2 lists $102.99.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZWA-2 is listed at $79.00, while Smlight SLZB-MR2 is listed at $102.99. Nabu Casa Home Assistant Connect ZWA-2 (better spec).
Who should buy Nabu Casa Home Assistant Connect ZWA-2?
Choose Nabu Casa Home Assistant Connect ZWA-2 if your priority is price and z-wave controller 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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