Sonoff Dongle Lite MG21 vs Sonoff ZBDongle-P comparison

Updated June 2026

Data from Amazon and official Sonoff site.

2026 verdict

Sonoff Dongle Lite MG21 is the more complete option versus Sonoff ZBDongle-P in 2026, helped most by price, rating, and thread border router. Its biggest wins come from price, rating, and thread border router, and antenna gain adds more confidence to the verdict. Pick Sonoff ZBDongle-P only when warranty is the deciding factor for your setup. For the average buyer, Sonoff Dongle Lite MG21 is the safer choice.

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

Buy on Amazon USA

Sonoff

Sonoff ZBDongle-P

$39.99

Buy on Amazon USA

Feature	Sonoff Dongle Lite MG21	Sonoff ZBDongle-P	Winner
Price	$19.90	$39.99	Sonoff Dongle Lite MG21
Rating	4.6	4.5	Sonoff Dongle Lite MG21
Warranty	1 year	2 years	Sonoff ZBDongle-P
Thread Border Router	YES	NO	Sonoff Dongle Lite MG21
Antenna Gain	+3dBi	2 dBi	Sonoff Dongle Lite MG21
Zigbee Chip Model	EFR32MG21	CC2652P	Different strengths
Amplifier Gain	+20 dBm	+20dBm	Different strengths
Power	USB	USB	Tie
Connectivity	USB	USB	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Matter Bridge	NO	NO	Tie

Winner

Sonoff

Sonoff Dongle Lite MG21

$19.90

Buy on Amazon USA

+ Price: $19.90
+ Rating: 4.6
+ Thread Border Router: YES
- Warranty: 1 year vs 2 years

Sonoff

Sonoff ZBDongle-P

$39.99

Buy on Amazon USA

+ Warranty: 2 years
- Price: $39.99 vs $19.90
- Rating: 4.5 vs 4.6

Frequently Asked Questions

Which is better overall: Sonoff Dongle Lite MG21 or Sonoff ZBDongle-P?

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

What is the biggest difference between Sonoff Dongle Lite MG21 and Sonoff ZBDongle-P?

Price is one of the clearest differences: Sonoff Dongle Lite MG21 lists $19.90, while Sonoff ZBDongle-P lists $39.99.

Which one looks better on price?

Sonoff Dongle Lite MG21 is listed at $19.90, while Sonoff ZBDongle-P is listed at $39.99. Sonoff Dongle Lite MG21 (better spec).

Who should buy Sonoff Dongle Lite MG21?

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

Who should buy Sonoff ZBDongle-P?

Choose Sonoff ZBDongle-P if your priority is warranty and that matters more than price.

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