Dongles · Head to head

Smlight SLZB-06 vs Sonoff Dongle-PZG23

Full Smart Dongles comparison in 2026

Updated June 2026
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
Smlight SLZB-06 edges out Sonoff Dongle-PZG23 in 2026, led by power, connectivity, and zigbee router. It separates itself most clearly on power, connectivity, and zigbee router, while still looking better on thread border router and antenna gain. Sonoff Dongle-PZG23 can still be the right pick, but only if price, rating, and z-wave controller outweighs the wider strengths of Smlight SLZB-06. That is enough to make Smlight SLZB-06 the better pick for most buyers.
vs
FeatureSmlight SLZB-06Sonoff Dongle-PZG23Winner
Price$74.99$39.90Sonoff Dongle-PZG23
Rating4.44.7Sonoff Dongle-PZG23
PowerUSB, PoEUSBSmlight SLZB-06
ConnectivityUSB, Ethernet, 2.4 GHz WiFiUSBSmlight SLZB-06
Zigbee RouterYESNOSmlight SLZB-06
Z-Wave ControllerNOYESSonoff Dongle-PZG23
Thread Border RouterYESNOSmlight SLZB-06
Antenna Gain+5dBi2 dBiSmlight SLZB-06
Bluetooth ProxyYESNOSmlight SLZB-06
Warranty1 year1 yearTie
Matter BridgeNONOTie
Amplifier Gain+20dB+20dBTie

Frequently Asked Questions

Which is better overall: Smlight SLZB-06 or Sonoff Dongle-PZG23?

Smlight SLZB-06 has the stronger overall profile in this comparison, especially for power, connectivity, and zigbee router.

What is the biggest difference between Smlight SLZB-06 and Sonoff Dongle-PZG23?

Price is one of the clearest differences: Smlight SLZB-06 lists $74.99, while Sonoff Dongle-PZG23 lists $39.90.

Which one looks better on price?

Smlight SLZB-06 is listed at $74.99, while Sonoff Dongle-PZG23 is listed at $39.90. Sonoff Dongle-PZG23 (better spec).

Who should buy Smlight SLZB-06?

Choose Smlight SLZB-06 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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