The Smart Device Compare comparison

Smlight SLZB-MRW10 vs Sonoff Dongle Lite MG21

Understand the differences. Decide what matters to your home.

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Before you compare every specification

Key differences between Smlight SLZB-MRW10 and Sonoff Dongle Lite MG21

A summary of selected recorded differences between these dongles. Check the full specification table below for details and conditions.

Feature differences among your selected devices
  • 2.4 GHz Wi-Fi (connectivity): Smlight SLZB-MRW10 — Yes; Sonoff Dongle Lite MG21 — No.
  • Ethernet (connectivity): Smlight SLZB-MRW10 — Yes; Sonoff Dongle Lite MG21 — No.
  • Bluetooth Proxy (features): Smlight SLZB-MRW10 — Yes; Sonoff Dongle Lite MG21 — No.
  • Dual Network (features): Smlight SLZB-MRW10 — Yes; Sonoff Dongle Lite MG21 — No.
Specifications to check side by side
  • Antenna Gain (radio specifications): Smlight SLZB-MRW10 — +5dB; Sonoff Dongle Lite MG21 — +2dBi.
  • External Antennas (radio specifications): Smlight SLZB-MRW10 — 2; Sonoff Dongle Lite MG21 — 1.
  • Zigbee Chip Manufacturer (zigbee): Smlight SLZB-MRW10 — Texas Instruments; Sonoff Dongle Lite MG21 — Silicon Labs.
  • Zigbee Chip Model (zigbee): Smlight SLZB-MRW10 — CC2652P10; Sonoff Dongle Lite MG21 — EFR32MG21.
Information still to confirm
  • 3 of 25 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
  • Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

10differences with recorded values for every device
3rows with missing or unspecified information

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Showing 25 of 25 rows. “Not recorded” does not mean “No”.

Connectivity

Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
No
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes
Manufacturer source

The dongle connects to its host through USB.

Sonoff Dongle Lite MG21 manufacturer product page →
Source section
Product description
Model
Sonoff Dongle Lite MG21
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The host software and flashed firmware determine the radio role. A Thread-capable dongle alone does not establish a complete border router.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Features

Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
No
Sonoff Dongle Lite MG21
No

Integrations

Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes

Matter

Smlight SLZB-MRW10
No
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes

Power

Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes

Radio Specifications

Smlight SLZB-MRW10
+20dBm
Sonoff Dongle Lite MG21
+20dBm
Smlight SLZB-MRW10
+5dB
Sonoff Dongle Lite MG21
+2dBi
Smlight SLZB-MRW10
2
Sonoff Dongle Lite MG21
1

Z Wave

Smlight SLZB-MRW10
Silicon Labs
Sonoff Dongle Lite MG21
Not applicable / unspecified
Smlight SLZB-MRW10
EFR32ZG23
Sonoff Dongle Lite MG21
Not applicable / unspecified
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
No
Smlight SLZB-MRW10
Z-Wave Series 800
Sonoff Dongle Lite MG21
Not applicable / unspecified

Zigbee

Smlight SLZB-MRW10
Texas Instruments
Sonoff Dongle Lite MG21
Silicon Labs
Smlight SLZB-MRW10
CC2652P10
Sonoff Dongle Lite MG21
EFR32MG21
Manufacturer source

The radio uses the EFR32MG21 chipset.

Sonoff Dongle Lite MG21 manufacturer product page →
Source section
Product description
Model
Sonoff Dongle Lite MG21
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The host software and flashed firmware determine the radio role. A Thread-capable dongle alone does not establish a complete border router.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes
Smlight SLZB-MRW10
Yes
Sonoff Dongle Lite MG21
Yes
Smlight SLZB-MRW10
Zigbee 3.0
Sonoff Dongle Lite MG21
Zigbee 3.0
Specifications for Smlight SLZB-MRW10 versus Sonoff Dongle Lite MG21
SpecificationSmlight SLZB-MRW10Sonoff Dongle Lite MG21
Connectivity
YesNo
NoNo
YesNo
YesYes
Manufacturer source

The dongle connects to its host through USB.

Sonoff Dongle Lite MG21 manufacturer product page →
Source section
Product description
Model
Sonoff Dongle Lite MG21
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The host software and flashed firmware determine the radio role. A Thread-capable dongle alone does not establish a complete border router.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Features
YesNo
YesNo
NoNo
Integrations
YesYes
YesYes
Matter
NoNo
YesYes
Power
YesNo
YesYes
Radio Specifications
+20dBm+20dBm
+5dB+2dBi
21
Z Wave
Silicon LabsNot applicable / unspecified
EFR32ZG23Not applicable / unspecified
YesNo
Z-Wave Series 800Not applicable / unspecified
Zigbee
Texas InstrumentsSilicon Labs
CC2652P10EFR32MG21
Manufacturer source

The radio uses the EFR32MG21 chipset.

Sonoff Dongle Lite MG21 manufacturer product page →
Source section
Product description
Model
Sonoff Dongle Lite MG21
Region
Manufacturer product page; no universal regional compatibility implied
Firmware
Not specified by this source
Checked

The host software and flashed firmware determine the radio role. A Thread-capable dongle alone does not establish a complete border router.

Document check only; not a hands-on test or verification of every regional or firmware variant.

YesYes
YesYes
Zigbee 3.0Zigbee 3.0

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology