Smlight SLZB-06P10 vs Sonoff Dongle Lite MG21

Updated March 2026

Data from Amazon and official Smlight and Sonoff sites.

2026 verdict

In 2026, Smlight SLZB-06P10 stands out as the more complete option. Its strongest advantages show up in power, connectivity, and antenna gain, with bluetooth proxy helping widen the gap. Sonoff Dongle Lite MG21 remains a niche alternative if price and rating matters more than the rest of the comparison. That keeps the verdict firmly in favor of Smlight SLZB-06P10.

Winner

Smlight

Smlight SLZB-06P10

$85.99

BUY NOW

Sonoff

Sonoff Dongle Lite MG21

$19.90

BUY NOW

Feature	Smlight SLZB-06P10	Sonoff Dongle Lite MG21	Winner
Price	$85.99	$19.90	Sonoff Dongle Lite MG21
Rating	4.5	4.7	Sonoff Dongle Lite MG21
Power	USB, PoE	USB	Smlight SLZB-06P10
Connectivity	USB, Ethernet, 2.4 GHz Wifi	USB	Smlight SLZB-06P10
Antenna Gain	+5dBi	+3dBi	Smlight SLZB-06P10
Bluetooth Proxy	YES	NO	Smlight SLZB-06P10
Zigbee Chip Model	CC2652P10	EFR32MG21	Different strengths
Amplifier Gain	+20dB	+20 dBm	Different strengths
Warranty	1 year	1 year	Tie
Zigbee Router	YES	YES	Tie
Z-Wave Controller	NO	NO	Tie
Thread Border Router	YES	YES	Tie

Winner

Smlight

Smlight SLZB-06P10

$85.99

BUY NOW

+ Power: USB, PoE
+ Connectivity: USB, Ethernet, 2.4 GHz Wifi
+ Antenna Gain: +5dBi
- Price: $85.99 vs $19.90
- Rating: 4.5 vs 4.7

Sonoff

Sonoff Dongle Lite MG21

$19.90

BUY NOW

+ Price: $19.90
+ Rating: 4.7
- Power: USB vs USB, PoE
- Connectivity: USB vs USB, Ethernet, 2.4 GHz Wifi

Frequently Asked Questions (FAQ)

Which is better overall: Smlight SLZB-06P10 or Sonoff Dongle Lite MG21?: Smlight SLZB-06P10 has the stronger overall profile in this comparison, especially for power, connectivity, and antenna gain.
What is the biggest difference between Smlight SLZB-06P10 and Sonoff Dongle Lite MG21?: Price is one of the clearest differences: Smlight SLZB-06P10 lists $85.99, while Sonoff Dongle Lite MG21 lists $19.90.
Which one looks better on price?: Smlight SLZB-06P10 is listed at $85.99, while Sonoff Dongle Lite MG21 is listed at $19.90. Sonoff Dongle Lite MG21 (better spec).
Who should buy Smlight SLZB-06P10?: Choose Smlight SLZB-06P10 if your priority is power and connectivity 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 power.

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