Smlight SLZB-MR2 vs Sonoff Dongle-PZG23

Full Smart Dongles comparison in 2026

Updated April 2026
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
For this 2026 head-to-head, Smlight SLZB-MR2 has the better all-around case. It wins the broader comparison through power, connectivity, and zigbee router, while thread border router and antenna gain helps confirm the result. There is still a case for Sonoff Dongle-PZG23, but mainly if price, rating, and z-wave controller is what you value most. Overall, Smlight SLZB-MR2 makes more sense for most people.
FeatureSmlight SLZB-MR2Sonoff Dongle-PZG23Winner
Price$102.99$39.90Sonoff Dongle-PZG23
Rating4.84.9Sonoff Dongle-PZG23
PowerUSB, PoEUSBSmlight SLZB-MR2
ConnectivityUSB, Ethernet, 2.4 GHz WifiUSBSmlight SLZB-MR2
Zigbee RouterYESNOSmlight SLZB-MR2
Z-Wave ControllerNOYESSonoff Dongle-PZG23
Thread Border RouterYESNOSmlight SLZB-MR2
Antenna Gain+5dBi2 dBiSmlight SLZB-MR2
Dual NetworkYESNOSmlight SLZB-MR2
Bluetooth ProxyYESNOSmlight SLZB-MR2
Warranty1 year1 yearTie
Matter BridgeNONOTie
Winner
$102.99
BUY NOW
  • + Power: USB, PoE
  • + Connectivity: USB, Ethernet, 2.4 GHz Wifi
  • + Zigbee Router: YES
  • - Price: $102.99 vs $39.90
  • - Rating: 4.8 vs 4.9
$39.90
BUY NOW
  • + Price: $39.90
  • + Rating: 4.9
  • + Z-Wave Controller: YES
  • - Power: USB vs USB, PoE
  • - Connectivity: USB vs USB, Ethernet, 2.4 GHz Wifi

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR2 or Sonoff Dongle-PZG23?
Smlight SLZB-MR2 has the stronger overall profile in this comparison, especially for power, connectivity, and zigbee router.
What is the biggest difference between Smlight SLZB-MR2 and Sonoff Dongle-PZG23?
Price is one of the clearest differences: Smlight SLZB-MR2 lists $102.99, while Sonoff Dongle-PZG23 lists $39.90.
Which one looks better on price?
Smlight SLZB-MR2 is listed at $102.99, while Sonoff Dongle-PZG23 is listed at $39.90. Sonoff Dongle-PZG23 (better spec).
Who should buy Smlight SLZB-MR2?
Choose Smlight SLZB-MR2 if your priority is power and connectivity and that matters more than price.
Who should buy Sonoff Dongle-PZG23?
Choose Sonoff Dongle-PZG23 if your priority is price and rating and that matters more than power.
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