Smlight SLZB-06 vs Sonoff Dongle Plus MG24 comparison

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 Dongle Plus MG24 on the strength of power, connectivity, and antenna gain. Its biggest wins come from power, connectivity, and antenna gain, and bluetooth proxy adds more confidence to the verdict. You should still consider Sonoff Dongle Plus MG24 if price and rating matters more than raw overall balance. For most setups, Smlight SLZB-06 is the smarter buy.

Winner

Smlight

Smlight SLZB-06

$74.99

Buy on Amazon USA

Sonoff

Sonoff Dongle Plus MG24

$35.90

Buy on Amazon USA

Feature	Smlight SLZB-06	Sonoff Dongle Plus MG24	Winner
Price	$74.99	$35.90	Sonoff Dongle Plus MG24
Rating	4.3	4.6	Sonoff Dongle Plus MG24
Power	USB, PoE	USB	Smlight SLZB-06
Connectivity	USB, Ethernet, 2.4 GHz WiFi	USB	Smlight SLZB-06
Antenna Gain	+5dBi	+4.5dBi	Smlight SLZB-06
Bluetooth Proxy	YES	NO	Smlight SLZB-06
Zigbee Chip Model	CC2652P	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

Winner

Smlight

Smlight SLZB-06

$74.99

Buy on Amazon USA

+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz WiFi
+ Antenna Gain: +5dBi
- Price: $74.99 vs $35.90
- Rating: 4.3 vs 4.6

Sonoff

Sonoff Dongle Plus MG24

$35.90

Buy on Amazon USA

+ Price: $35.90
+ Rating: 4.6
- Power: USB vs USB, PoE
- Connectivity: USB vs USB, Ethernet, 2.4 GHz WiFi

Frequently Asked Questions

Which is better overall: Smlight SLZB-06 or Sonoff Dongle Plus MG24?

Smlight SLZB-06 has the stronger overall profile in this comparison, especially for power, connectivity, and antenna gain.

What is the biggest difference between Smlight SLZB-06 and Sonoff Dongle Plus MG24?

Price is one of the clearest differences: Smlight SLZB-06 lists $74.99, while Sonoff Dongle Plus MG24 lists $35.90.

Which one looks better on price?

Smlight SLZB-06 is listed at $74.99, while Sonoff Dongle Plus MG24 is listed at $35.90. Sonoff Dongle Plus MG24 (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 Dongle Plus MG24?

Choose Sonoff Dongle Plus MG24 if your priority is price and rating and that matters more than power.

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