Smlight SLZB-07 MG24 vs Sonoff Dongle Lite MG21

Updated March 2026

Data from Amazon and official Smlight and Sonoff sites.

2026 verdict

For this 2026 head-to-head, Sonoff Dongle Lite MG21 has the better all-around case. 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 NOW

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

BUY NOW

Feature	Smlight SLZB-07 MG24	Sonoff Dongle Lite MG21	Winner
Price	$45.99	$19.90	Sonoff Dongle Lite MG21
Rating	4.4	4.7	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 NOW

- Price: $45.99 vs $19.90
- Rating: 4.4 vs 4.7

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

BUY NOW

+ Price: $19.90
+ Rating: 4.7

Frequently Asked Questions (FAQ)

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.

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