Dongles · Head to head

Smlight SLZB-06 vs Sonoff ZBDongle-P

Full Smart Dongles comparison in 2026

Updated June 2026
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
Across the 2026 comparison, Smlight SLZB-06 earns the nod over Sonoff ZBDongle-P on the strength of power, connectivity, and thread border router. It builds its lead on power, connectivity, and thread border router, then backs it up with a stronger showing on antenna gain and bluetooth proxy. Sonoff ZBDongle-P can still be the right pick, but only if price, rating, and warranty outweighs the wider strengths of Smlight SLZB-06. That keeps the verdict firmly in favor of Smlight SLZB-06.
vs
FeatureSmlight SLZB-06Sonoff ZBDongle-PWinner
Price$74.99$39.99Sonoff ZBDongle-P
Rating4.34.5Sonoff ZBDongle-P
Warranty1 year2 yearsSonoff ZBDongle-P
PowerUSB, PoEUSBSmlight SLZB-06
ConnectivityUSB, Ethernet, 2.4 GHz WiFiUSBSmlight SLZB-06
Thread Border RouterYESNOSmlight SLZB-06
Antenna Gain+5dBi2 dBiSmlight SLZB-06
Bluetooth ProxyYESNOSmlight SLZB-06
Amplifier Gain+20dB+20dBmDifferent strengths
Zigbee Chip ModelCC2652PCC2652PTie
Zigbee RouterYESYESTie
Z-Wave ControllerNONOTie

Frequently Asked Questions

Which is better overall: Smlight SLZB-06 or Sonoff ZBDongle-P?

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

What is the biggest difference between Smlight SLZB-06 and Sonoff ZBDongle-P?

Price is one of the clearest differences: Smlight SLZB-06 lists $74.99, while Sonoff ZBDongle-P lists $39.99.

Which one looks better on price?

Smlight SLZB-06 is listed at $74.99, while Sonoff ZBDongle-P is listed at $39.99. Sonoff ZBDongle-P (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 ZBDongle-P?

Choose Sonoff ZBDongle-P if your priority is price and rating and that matters more than power.

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