Smlight SLZB-06M vs Sonoff ZBDongle-E

Full Smart Dongles comparison in 2026

Updated May 2026
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
In this 2026 comparison, Smlight SLZB-06M comes out ahead overall. 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. Choose Sonoff ZBDongle-E only if price and warranty matters more to you than the broader advantage from Smlight SLZB-06M. That makes Smlight SLZB-06M the clearer recommendation in 2026.
vs
FeatureSmlight SLZB-06MSonoff ZBDongle-EWinner
Price$75.99$26.99Sonoff ZBDongle-E
Warranty1 year2 yearsSonoff ZBDongle-E
PowerUSB, PoEUSBSmlight SLZB-06M
ConnectivityUSB, Ethernet, 2.4 GHz WifiUSBSmlight SLZB-06M
Thread Border RouterYESNOSmlight SLZB-06M
Antenna Gain+5dBi2 dBiSmlight SLZB-06M
Bluetooth ProxyYESNOSmlight SLZB-06M
Amplifier Gain+20dB+20dBmDifferent strengths
Rating4.64.6Tie
Zigbee Chip ModelEFR32MG21EFR32MG21Tie
Zigbee RouterYESYESTie
Z-Wave ControllerNONOTie
Winner
Smlight

Smlight SLZB-06M

$75.99
BUY NOW
  • + Power: USB, PoE
  • + Connectivity: USB, Ethernet, 2.4 GHz Wifi
  • + Thread Border Router: YES
  • - Price: $75.99 vs $26.99
  • - Warranty: 1 year vs 2 years

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-06M or Sonoff ZBDongle-E?
Smlight SLZB-06M has the stronger overall profile in this comparison, especially for power, connectivity, and thread border router.
What is the biggest difference between Smlight SLZB-06M and Sonoff ZBDongle-E?
Price is one of the clearest differences: Smlight SLZB-06M lists $75.99, while Sonoff ZBDongle-E lists $26.99.
Which one looks better on price?
Smlight SLZB-06M is listed at $75.99, while Sonoff ZBDongle-E is listed at $26.99. Sonoff ZBDongle-E (better spec).
Who should buy Smlight SLZB-06M?
Choose Smlight SLZB-06M if your priority is power and connectivity and that matters more than price.
Who should buy Sonoff ZBDongle-E?
Choose Sonoff ZBDongle-E if your priority is price and warranty and that matters more than power.
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