Dongles · Head to head

Smlight SLZB-MR1U vs Smlight SLZB-MR3

Full Smart Dongles comparison in 2026

Updated July 2026
Data from Amazon and official Smlight site.
2026 verdict
In 2026, the recommendation leans toward Smlight SLZB-MR3 over Smlight SLZB-MR1U, driven by rating. What pushes it ahead is rating, and its broader overall balance keeps the advantage from looking narrow. There is still a case for Smlight SLZB-MR1U, but mainly if its specific feature mix is what you value most. That is why Smlight SLZB-MR3 wins the verdict here.
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FeatureSmlight SLZB-MR1USmlight SLZB-MR3Winner
Rating4.85.0Smlight SLZB-MR3
Zigbee Chip ModelEFR32MG21 / CC2652P7EFR32MG24 / CC2674P10Different strengths
Warranty1 year1 yearTie
PowerUSB, PoEUSB, PoETie
ConnectivityUSB, Ethernet, 2.4 GHz WiFiUSB, Ethernet, 2.4 GHz WiFiTie
Zigbee RouterYESYESTie
Z-Wave ControllerNONOTie
Thread Border RouterYESYESTie
Matter BridgeNONOTie
Amplifier Gain+20dB+20dBTie
Antenna Gain+5dBi+5dBiTie
Dual NetworkYESYESTie

Frequently Asked Questions

Which is better overall: Smlight SLZB-MR1U or Smlight SLZB-MR3?

Smlight SLZB-MR3 has the stronger overall profile in this comparison, especially for rating.

What is the biggest difference between Smlight SLZB-MR1U and Smlight SLZB-MR3?

Rating is one of the clearest differences: Smlight SLZB-MR1U lists 4.8, while Smlight SLZB-MR3 lists 5.0.

Who should buy Smlight SLZB-MR1U?

Choose Smlight SLZB-MR1U if your priority is its specific strengths and that matters more than rating.

Who should buy Smlight SLZB-MR3?

Choose Smlight SLZB-MR3 if your priority is rating and that matters more than the competing advantages.

Full comparison table

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  • 32 specs compared
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