Smlight SLZB-07 MG24 vs Sonoff Dongle Lite MG21 comparison

Updated June 2026

Data from Amazon and official Smlight and Sonoff sites.

2026 verdict

Sonoff Dongle Lite MG21 has the better all-around case than Smlight SLZB-07 MG24 in 2026, starting with price and rating. Its clearest strengths are price and rating, and it still looks stronger on its broader overall balance. Pick Smlight SLZB-07 MG24 only when its specific feature mix is the deciding factor for your setup. For the average buyer, Sonoff Dongle Lite MG21 is the safer choice.

Smlight

Smlight SLZB-07 MG24

$45.99

Buy on Amazon USA

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

Buy on Amazon USA

Feature	Smlight SLZB-07 MG24	Sonoff Dongle Lite MG21	Winner
Price	$45.99	$19.90	Sonoff Dongle Lite MG21
Rating	4.2	4.6	Sonoff Dongle Lite MG21
Zigbee Chip Model	EFR32MG24	EFR32MG21	Different strengths
Amplifier Gain	+20dB	+20 dBm	Different strengths
Antenna Gain	+3dB	+3dBi	Different strengths
Warranty	1 year	1 year	Tie
Power	USB	USB	Tie
Connectivity	USB	USB	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie
Matter Bridge	NO	NO	Tie

Smlight

Smlight SLZB-07 MG24

$45.99

Buy on Amazon USA

- Price: $45.99 vs $19.90
- Rating: 4.2 vs 4.6

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

Buy on Amazon USA

+ Price: $19.90
+ Rating: 4.6

Frequently Asked Questions

Which is better overall: Smlight SLZB-07 MG24 or Sonoff Dongle Lite MG21?

Sonoff Dongle Lite MG21 has the stronger overall profile in this comparison, especially for price and rating.

What is the biggest difference between Smlight SLZB-07 MG24 and Sonoff Dongle Lite MG21?

Price is one of the clearest differences: Smlight SLZB-07 MG24 lists $45.99, while Sonoff Dongle Lite MG21 lists $19.90.

Which one looks better on price?

Smlight SLZB-07 MG24 is listed at $45.99, while Sonoff Dongle Lite MG21 is listed at $19.90. Sonoff Dongle Lite MG21 (better spec).

Who should buy Smlight SLZB-07 MG24?

Choose Smlight SLZB-07 MG24 if your priority is its specific strengths and that matters more than price.

Who should buy Sonoff Dongle Lite MG21?

Choose Sonoff Dongle Lite MG21 if your priority is price and rating and that matters more than the competing advantages.

More Dongles

Top Dongles to compare next

Compare smart dongles by supported protocols, connectivity, hardware specs, integrations, automations, and compatibility with platforms like Matter, Zigbee, and Thread.

Compare Dongles