Live nowPrime Day 2026October 6 to 7, 2026Starts in--d--h--m--sSee the deals
Dongles · Head to head

Smlight SLZB-MR2 vs Smlight SLZB-MR3

Full Smart Dongles comparison in 2026

Updated October 2026
Data from Amazon and official Smlight site.
2026 verdict
Across the 2026 comparison, Smlight SLZB-MR2 earns the nod over Smlight SLZB-MR3 on the strength of price.
It has the clearer edge on price, and it stays ahead on its broader overall balance. Smlight SLZB-MR3 can still be the right pick, but only if rating outweighs the wider strengths of Smlight SLZB-MR2. Overall, Smlight SLZB-MR2 makes more sense for most people.
Price alerts

Dongle prices change while you decide

We check the price of every Dongle in the catalog daily and email you the drops, whichever one you pick.

Smart home deals and news, straight to your inbox

Price drops, new releases and the smart home news worth knowing.

No spam. Unsubscribe in one click.

Your subscription could not be saved. Please try again.
Please enter a valid email address.
Your subscription has been successful.
FeatureSmlight SLZB-MR2Smlight SLZB-MR3Winner
Price€111.97€158.13Smlight SLZB-MR2
Rating4.65.0Smlight SLZB-MR3
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
Transmit Power+20dBm+20dBmTie
Antenna Gain+5dB+5dBTie

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.

  • Smlight SLZB-MR2
  • Smlight SLZB-MR3

Loading price history...

Frequently Asked Questions

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.

What is the biggest difference between Smlight SLZB-MR2 and Smlight SLZB-MR3?

Price is one of the clearest differences: Smlight SLZB-MR2 lists €111.97, while Smlight SLZB-MR3 lists €158.13.

Which one looks better on price?

Smlight SLZB-MR2 is listed at €111.97, while Smlight SLZB-MR3 is listed at €158.13. Smlight SLZB-MR2 (better spec).

Who should buy Smlight SLZB-MR2?

Choose Smlight SLZB-MR2 if your priority is price 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 price.

Full comparison table

Compare all 36 Dongles side by side

You are looking at two of them. The full table lines up all Dongles in the catalog with the same specs, so you can filter by what you need and sort by price or rating.

  • 36 Dongles
  • 32 specs compared
  • 29 filters
Open the full comparison
More Dongles

Top Dongles to compare next

36 Zigbee, Thread and Z-Wave dongles compared: Smlight, Sonoff, Aeotec, Nabu Casa and more. Chipsets, antenna range, firmware and Home Assistant support.

All Dongles
Smlight

More Smlight products

A sharper look at other Smlight products worth comparing.

Explore Smlight