Winner
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
Across the full comparison in 2026, Smlight SLZB-MR3 earns the nod. It separates itself most clearly on dual network and bluetooth proxy, while still looking better on its broader overall balance. There is still a case for Sonoff Dongle Max, but mainly if price is what you value most. For most setups, Smlight SLZB-MR3 is the smarter buy.
| Feature | Smlight SLZB-MR3 | Sonoff Dongle Max | Winner |
|---|---|---|---|
| Price | $105.99 | $42.90 | Sonoff Dongle Max |
| Dual Network | YES | Experimental | Smlight SLZB-MR3 |
| Bluetooth Proxy | YES | NO | Smlight SLZB-MR3 |
| Zigbee Chip Model | EFR32MG24 / CC2674P10 | EFR32MG24 | Different strengths |
| Amplifier Gain | +20dB | +20dBm | Different strengths |
| Warranty | 1 year | 1 year | Tie |
| Power | USB, PoE | USB, PoE | Tie |
| Connectivity | USB, Ethernet, 2.4 GHz Wifi | USB, Ethernet, 2.4 GHz Wifi | Tie |
| Zigbee Router | YES | YES | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Thread Border Router | YES | YES | Tie |
| Matter Bridge | NO | NO | Tie |
Winner
$105.99
- + Dual Network: YES
- + Bluetooth Proxy: YES
- - Price: $105.99 vs $42.90
$42.90
- + Price: $42.90
- - Dual Network: Experimental vs YES
- - Bluetooth Proxy: NO vs YES
Frequently Asked Questions (FAQ)
- Which is better overall: Smlight SLZB-MR3 or Sonoff Dongle Max?
- Smlight SLZB-MR3 has the stronger overall profile in this comparison, especially for dual network and bluetooth proxy.
- What is the biggest difference between Smlight SLZB-MR3 and Sonoff Dongle Max?
- Price is one of the clearest differences: Smlight SLZB-MR3 lists $105.99, while Sonoff Dongle Max lists $42.90.
- Which one looks better on price?
- Smlight SLZB-MR3 is listed at $105.99, while Sonoff Dongle Max is listed at $42.90. Sonoff Dongle Max (better spec).
- Who should buy Smlight SLZB-MR3?
- Choose Smlight SLZB-MR3 if your priority is dual network and bluetooth proxy and that matters more than price.
- Who should buy Sonoff Dongle Max?
- Choose Sonoff Dongle Max if your priority is price and that matters more than dual network.
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