Smlight SLZB-MR2 vs Smlight SLZB-MR3

Full Smart Dongles comparison in 2026

Data from Amazon and official Smlight site.
2026 verdict
Across the full comparison in 2026, Smlight SLZB-MR2 earns the nod. It has the clearer edge on price and rating, and it stays ahead on its broader overall balance. Smlight SLZB-MR3 can still be the right pick, but only if its specific feature mix outweighs the wider strengths of Smlight SLZB-MR2. Overall, Smlight SLZB-MR2 makes more sense for most people.
FeatureSmlight SLZB-MR2Smlight SLZB-MR3Winner
Price$102.99$105.99Smlight SLZB-MR2
Rating4.84.7Smlight SLZB-MR2
Zigbee Chip ModelEFR32MG21 / CC2652PEFR32MG24 / 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

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR2 or Smlight SLZB-MR3?
Smlight SLZB-MR2 has the stronger overall profile in this comparison, especially for price and rating.
What is the biggest difference between Smlight SLZB-MR2 and Smlight SLZB-MR3?
Price is one of the clearest differences: Smlight SLZB-MR2 lists $102.99, while Smlight SLZB-MR3 lists $105.99.
Which one looks better on price?
Smlight SLZB-MR2 is listed at $102.99, while Smlight SLZB-MR3 is listed at $105.99. Smlight SLZB-MR2 (better spec).
Who should buy Smlight SLZB-MR2?
Choose Smlight SLZB-MR2 if your priority is price and rating and that matters more than the competing advantages.
Who should buy Smlight SLZB-MR3?
Choose Smlight SLZB-MR3 if your priority is its specific strengths and that matters more than price.
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