Smlight SLZB-MR1U vs Sonoff Dongle Plus MG24

Updated April 2026

Data from Amazon and official Smlight and Sonoff sites.

2026 verdict

For 2026, Smlight SLZB-MR1U is the stronger overall choice. It has the clearer edge on power, connectivity, and antenna gain, and it stays ahead on dual network and bluetooth proxy. There is still a case for Sonoff Dongle Plus MG24, but mainly if its specific feature mix is what you value most. That keeps the verdict firmly in favor of Smlight SLZB-MR1U.

Winner

Smlight

Smlight SLZB-MR1U

Price unavailable right now

BUY NOW

Sonoff

Sonoff Dongle Plus MG24

$35.90

BUY NOW

Feature	Smlight SLZB-MR1U	Sonoff Dongle Plus MG24	Winner
Power	USB, PoE	USB	Smlight SLZB-MR1U
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB	Smlight SLZB-MR1U
Antenna Gain	+5dBi	+4.5dBi	Smlight SLZB-MR1U
Dual Network	YES	NO	Smlight SLZB-MR1U
Bluetooth Proxy	YES	NO	Smlight SLZB-MR1U
Zigbee Chip Model	EFR32MG21 / CC2652P7	EFR32MG24	Different strengths
Amplifier Gain	+20dB	+20dBm	Different strengths
Warranty	1 year	1 year	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie

Winner

Smlight

Smlight SLZB-MR1U

Price unavailable right now

BUY NOW

+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
+ Antenna Gain: +5dBi

Sonoff

Sonoff Dongle Plus MG24

$35.90

BUY NOW

- Power: USB vs USB, PoE
- Connectivity: USB vs USB, Ethernet, 2.4 GHz Wifi

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-MR1U or Sonoff Dongle Plus MG24?: Smlight SLZB-MR1U has the stronger overall profile in this comparison, especially for power, connectivity, and antenna gain.
What is the biggest difference between Smlight SLZB-MR1U and Sonoff Dongle Plus MG24?: Power is one of the clearest differences: Smlight SLZB-MR1U lists USB, PoE, while Sonoff Dongle Plus MG24 lists USB.
Who should buy Smlight SLZB-MR1U?: Choose Smlight SLZB-MR1U if your priority is power and connectivity and that matters more than the competing advantages.
Who should buy Sonoff Dongle Plus MG24?: Choose Sonoff Dongle Plus MG24 if your priority is its specific strengths and that matters more than power.

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