Smlight SLZB-MR2 vs Sonoff Dongle Max

Full Smart Dongles comparison in 2026

Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
For 2026, Smlight SLZB-MR2 is the stronger overall choice. What pushes it ahead is dual network and bluetooth proxy, and its broader overall balance keeps the advantage from looking narrow. Sonoff Dongle Max is still relevant if you care most about price, but Smlight SLZB-MR2 is the stronger recommendation overall. That makes Smlight SLZB-MR2 the clearer recommendation in 2026.
FeatureSmlight SLZB-MR2Sonoff Dongle MaxWinner
Price$102.99$42.90Sonoff Dongle Max
Dual NetworkYESExperimentalSmlight SLZB-MR2
Bluetooth ProxyYESNOSmlight SLZB-MR2
Zigbee Chip ModelEFR32MG21 / CC2652PEFR32MG24Different strengths
Amplifier Gain+20dB+20dBmDifferent 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

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR2 or Sonoff Dongle Max?
Smlight SLZB-MR2 has the stronger overall profile in this comparison, especially for dual network and bluetooth proxy.
What is the biggest difference between Smlight SLZB-MR2 and Sonoff Dongle Max?
Price is one of the clearest differences: Smlight SLZB-MR2 lists $102.99, while Sonoff Dongle Max lists $42.90.
Which one looks better on price?
Smlight SLZB-MR2 is listed at $102.99, while Sonoff Dongle Max is listed at $42.90. Sonoff Dongle Max (better spec).
Who should buy Smlight SLZB-MR2?
Choose Smlight SLZB-MR2 if your priority is dual network and bluetooth proxy and that matters more than price.
Who should buy Sonoff Dongle Max?
Choose Sonoff Dongle Max if your priority is price and that matters more than dual network.
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