Smlight SLZB-07p7 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 strongest advantages show up in price, with its broader overall balance helping widen the gap. You should still consider Smlight SLZB-07p7 if rating matters more than raw overall balance. For the average buyer, Sonoff Dongle Lite MG21 is the safer choice.

Smlight

Smlight SLZB-07p7

$36.99

BUY NOW

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

BUY NOW

Feature	Smlight SLZB-07p7	Sonoff Dongle Lite MG21	Winner
Price	$36.99	$19.90	Sonoff Dongle Lite MG21
Rating	4.8	4.7	Smlight SLZB-07p7
Zigbee Chip Model	CC2652P7	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-07p7

$36.99

BUY NOW

+ Rating: 4.8
- Price: $36.99 vs $19.90

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

BUY NOW

+ Price: $19.90
- Rating: 4.7 vs 4.8

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-07p7 or Sonoff Dongle Lite MG21?: Sonoff Dongle Lite MG21 has the stronger overall profile in this comparison, especially for price.
What is the biggest difference between Smlight SLZB-07p7 and Sonoff Dongle Lite MG21?: Price is one of the clearest differences: Smlight SLZB-07p7 lists $36.99, while Sonoff Dongle Lite MG21 lists $19.90.
Which one looks better on price?: Smlight SLZB-07p7 is listed at $36.99, while Sonoff Dongle Lite MG21 is listed at $19.90. Sonoff Dongle Lite MG21 (better spec).
Who should buy Smlight SLZB-07p7?: Choose Smlight SLZB-07p7 if your priority is rating and that matters more than price.
Who should buy Sonoff Dongle Lite MG21?: Choose Sonoff Dongle Lite MG21 if your priority is price and that matters more than rating.

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