Sonoff Dongle Lite MG21 vs Sonoff Dongle Plus MG24 comparison

Updated June 2026

Data from Amazon and official Sonoff site.

2026 verdict

In this 2026 Sonoff Dongle Plus MG24 vs Sonoff Dongle Lite MG21 comparison, Sonoff Dongle Plus MG24 comes out ahead thanks to antenna gain. The main reason it wins is antenna gain, and its broader overall balance strengthens that case. Sonoff Dongle Lite MG21 can still be the right pick, but only if price outweighs the wider strengths of Sonoff Dongle Plus MG24. For the average buyer, Sonoff Dongle Plus MG24 is the safer choice.

Sonoff

Sonoff Dongle Lite MG21

$19.90

Buy on Amazon USA

Winner

Sonoff

Sonoff Dongle Plus MG24

$35.90

Buy on Amazon USA

Feature	Sonoff Dongle Lite MG21	Sonoff Dongle Plus MG24	Winner
Price	$19.90	$35.90	Sonoff Dongle Lite MG21
Antenna Gain	+3dBi	+4.5dBi	Sonoff Dongle Plus MG24
Zigbee Chip Model	EFR32MG21	EFR32MG24	Different strengths
Amplifier Gain	+20 dBm	+20dBm	Different strengths
Rating	4.6	4.6	Tie
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

Sonoff

Sonoff Dongle Lite MG21

$19.90

Buy on Amazon USA

+ Price: $19.90
- Antenna Gain: +3dBi vs +4.5dBi

Winner

Sonoff

Sonoff Dongle Plus MG24

$35.90

Buy on Amazon USA

+ Antenna Gain: +4.5dBi
- Price: $35.90 vs $19.90

Frequently Asked Questions

Which is better overall: Sonoff Dongle Lite MG21 or Sonoff Dongle Plus MG24?

Sonoff Dongle Plus MG24 has the stronger overall profile in this comparison, especially for antenna gain.

What is the biggest difference between Sonoff Dongle Lite MG21 and Sonoff Dongle Plus MG24?

Price is one of the clearest differences: Sonoff Dongle Lite MG21 lists $19.90, while Sonoff Dongle Plus MG24 lists $35.90.

Which one looks better on price?

Sonoff Dongle Lite MG21 is listed at $19.90, while Sonoff Dongle Plus MG24 is listed at $35.90. Sonoff Dongle Lite MG21 (better spec).

Who should buy Sonoff Dongle Lite MG21?

Choose Sonoff Dongle Lite MG21 if your priority is price and that matters more than antenna gain.

Who should buy Sonoff Dongle Plus MG24?

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

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