Smlight SLZB-MR2 vs Smlight SLZB Ultima

Full Smart Dongles comparison in 2026

Data from Amazon and official Smlight site.
2026 verdict
In 2026, Smlight SLZB-MR2 is the better overall pick. The comparison tilts its way because of power, with its broader overall balance keeping it in front. Smlight SLZB Ultima still makes sense if z-wave controller is your priority, but most buyers should still lean toward Smlight SLZB-MR2. As a general recommendation, Smlight SLZB-MR2 comes out on top.
vs
FeatureSmlight SLZB-MR2Smlight SLZB UltimaWinner
PowerUSB, PoEPoESmlight SLZB-MR2
Z-Wave ControllerNOYESSmlight SLZB Ultima
Zigbee Chip ModelEFR32MG21 / CC2652PEFR32MGXX / CC26XXPXDifferent strengths
Warranty1 year1 yearTie
ConnectivityUSB, Ethernet, 2.4 GHz WifiUSB, Ethernet, 2.4 GHz WifiTie
Zigbee RouterYESYESTie
Thread Border RouterYESYESTie
Matter BridgeNONOTie
Dual NetworkYESYESTie
Bluetooth ProxyYESYESTie

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR2 or Smlight SLZB Ultima?
Smlight SLZB-MR2 has the stronger overall profile in this comparison, especially for power.
What is the biggest difference between Smlight SLZB-MR2 and Smlight SLZB Ultima?
Power is one of the clearest differences: Smlight SLZB-MR2 lists USB, PoE, while Smlight SLZB Ultima lists PoE.
Who should buy Smlight SLZB-MR2?
Choose Smlight SLZB-MR2 if your priority is power and that matters more than z-wave controller.
Who should buy Smlight SLZB Ultima?
Choose Smlight SLZB Ultima if your priority is z-wave controller and that matters more than power.
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