Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
Smlight SLZB-MR3 wins the 2026 matchup against Sonoff Dongle Plus PP10, mainly on rating, power, and connectivity. The main reason it wins is rating, power, and connectivity, and antenna gain and dual network strengthen that case. There is still a case for Sonoff Dongle Plus PP10, but mainly if warranty is what you value most. For most setups, Smlight SLZB-MR3 is the smarter buy.
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| Feature | Smlight SLZB-MR3 | Sonoff Dongle Plus PP10 | Winner |
|---|---|---|---|
| Rating | 5.0 | 4.6 | Smlight SLZB-MR3 |
| Warranty | 1 year | 2 years | Sonoff Dongle Plus PP10 |
| Power | USB, PoE | USB | Smlight SLZB-MR3 |
| Connectivity | USB, Ethernet, 2.4 GHz WiFi | USB | Smlight SLZB-MR3 |
| Antenna Gain | +5dBi | +4.5dBi | Smlight SLZB-MR3 |
| Dual Network | YES | NO | Smlight SLZB-MR3 |
| Bluetooth Proxy | YES | NO | Smlight SLZB-MR3 |
| Zigbee Chip Model | EFR32MG24 / CC2674P10 | CC2674P10 | Different strengths |
| Amplifier Gain | +20dB | +20dBm | Different strengths |
| Zigbee Router | YES | YES | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Thread Border Router | YES | YES | Tie |
Winner
Price unavailable right now
- + Rating: 5.0
- + Power: USB, PoE
- + Connectivity: USB, Ethernet, 2.4 GHz WiFi
- - Warranty: 1 year vs 2 years
$35.90
- + Warranty: 2 years
- - Rating: 4.6 vs 5.0
- - Power: USB vs USB, PoE
Frequently Asked Questions
Which is better overall: Smlight SLZB-MR3 or Sonoff Dongle Plus PP10?
Smlight SLZB-MR3 has the stronger overall profile in this comparison, especially for rating, power, and connectivity.
What is the biggest difference between Smlight SLZB-MR3 and Sonoff Dongle Plus PP10?
Rating is one of the clearest differences: Smlight SLZB-MR3 lists 5.0, while Sonoff Dongle Plus PP10 lists 4.6.
Who should buy Smlight SLZB-MR3?
Choose Smlight SLZB-MR3 if your priority is rating and power and that matters more than warranty.
Who should buy Sonoff Dongle Plus PP10?
Choose Sonoff Dongle Plus PP10 if your priority is warranty and that matters more than rating.
Full comparison table
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- 32 specs compared
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