Winner
Updated September 2026
Data from Amazon and official Smlight and Sonoff sites.
2026 verdict
In 2026, the recommendation leans toward Smlight SLZB Ultima over Sonoff Dongle Max, driven by Z-Wave controller, dual network, and bluetooth proxy.
It builds its lead on Z-Wave controller, dual network, and bluetooth proxy, then backs it up with a stronger showing on its broader overall balance. Choose Sonoff Dongle Max only if price and rating matter more to you than the broader advantage from Smlight SLZB Ultima. That makes Smlight SLZB Ultima the clearer recommendation in 2026.
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| Feature | Smlight SLZB Ultima | Sonoff Dongle Max | Winner |
|---|---|---|---|
| Price | $95.99 | €45.02 | Sonoff Dongle Max |
| Rating | 2.0 | 4.3 | Sonoff Dongle Max |
| Z-Wave Controller | YES | NO | Smlight SLZB Ultima |
| Dual Network | YES | NO | Smlight SLZB Ultima |
| Bluetooth Proxy | YES | NO | Smlight SLZB Ultima |
| Zigbee Chip Model | EFR32MGXX / CC26XXPX | EFR32MG24 | Different strengths |
| Warranty | 1 year | 1 year | Tie |
| Power | USB, PoE | USB, PoE | Tie |
| Connectivity | USB, Ethernet, 2.4 GHz WiFi | USB, Ethernet, 2.4 GHz WiFi | Tie |
| Zigbee Router | YES | YES | Tie |
| Thread Border Router | YES | YES | Tie |
| Matter Bridge | NO | NO | Tie |
Winner
- + Z-Wave Controller: YES
- + Dual Network: YES
- + Bluetooth Proxy: YES
- - Price: $95.99 vs €45.02
- - Rating: 2.0 vs 4.3
- + Price: €45.02
- + Rating: 4.3
- - Z-Wave Controller: NO vs YES
- - Dual Network: NO vs YES
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Smlight SLZB Ultima
- Sonoff Dongle Max
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Frequently Asked Questions
Which is better overall: Smlight SLZB Ultima or Sonoff Dongle Max?
Smlight SLZB Ultima has the stronger overall profile in this comparison, especially for Z-Wave controller, dual network, and bluetooth proxy.
What is the biggest difference between Smlight SLZB Ultima and Sonoff Dongle Max?
Price is one of the clearest differences: Smlight SLZB Ultima lists $95.99, while Sonoff Dongle Max lists €45.02.
Which one looks better on price?
Smlight SLZB Ultima is listed at $95.99, while Sonoff Dongle Max is listed at €45.02. Sonoff Dongle Max (better spec).
Who should buy Smlight SLZB Ultima?
Choose Smlight SLZB Ultima if your priority is Z-Wave controller and dual network and that matters more than price.
Who should buy Sonoff Dongle Max?
Choose Sonoff Dongle Max if your priority is price and rating and that matters more than Z-Wave controller.
Full comparison table
Compare all 36 Dongles side by side
You are looking at two of them. The full table lines up all Dongles in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 36 Dongles
- 32 specs compared
- 29 filters
SmlightSLZB-MRW10
$100.00
SmlightSLZB-06 U
$72.99
SmlightSLZB-MR3
€123.49
SmlightSLZB-MR5U
$119.99
SmlightSLZB-07
$34.99
SmlightSLZB-MR1U
$102.99
SmlightSLZB-07p7
$36.99
SonoffDongle Plus MG24
$35.90
Nabu CasaHome Assistant Connect ZBT-2
$65.00
SonoffZBDongle-P
16% OFF$39.99$33.42
SonoffZBDongle-E
$24.90
ZoozZ-Wave Long Range Stick
$39.95
Nabu CasaHome Assistant Connect ZWA-2
$79.00
SonoffDongle-PZG23
$39.90
SmlightSLZB-06M
$72.99
SonoffDongle Plus PP10
$35.90
SmlightSLZB-06p7U
$78.99
SmlightSLZB-MR2
€146.13
SonoffDongle Lite MG21
$24.90
AeotecZ-Stick 7
$39.99
DonglesSmlightSLZB-06 MG24
4.5(6)$82.99
DonglesSmlightSLZB-06 MG26
3.4(7)$84.99- DonglesSmlight
SLZB-06 U
5.0(5)$72.99 
DonglesSmlightSLZB-06
4.2(180)$72.99- DonglesSmlight
SLZB-06M
4.6(111)$72.99 
DonglesSmlightSLZB-06P10
4.4(11)$85.99
DonglesSmlightSLZB-06p7
4.4(11)$79.99- DonglesSmlight
SLZB-06p7U
4.6(33)$78.99 
DonglesSmlightSLZB-07 MG24
3.3(5)$45.99
DonglesSmlightSLZB-07 MG26
4.5(86)- DonglesSmlight
SLZB-07
4.9(20)$34.99 
DonglesSmlightSLZB-07P10
3.0(1)$48.99- DonglesSmlight
SLZB-07p7
4.8(8)$36.99 
DonglesSmlightSLZB-MR1
4.4(11)$103.99- DonglesSmlight
SLZB-MR1U
4.8(16)$102.99 - DonglesSmlight
SLZB-MR2
4.6(8)€146.13 - DonglesSmlight
SLZB-MR3
5.0(1)€123.49 
DonglesSmlightSLZB-MR4
4.0(5)$130.00- DonglesSmlight
SLZB-MR5U
5.0(1)$119.99 - DonglesSmlight
SLZB-MRW10
5.0(11)$100.00
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.7(192)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.3(168)$49.90
CamerasSonoffCAM GlassView
4.6(26)$34.90
CamerasSonoffCam Outdoor DUO
$79.90
CamerasSonoffCam Slim Gen2
4.4(173)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro Gen2
3.4(11)€149.90
DisplaysSonoffNSPanel Pro
4.1(73)$129.90- DonglesSonoff
Dongle Lite MG21
4.5(444)$24.90 
DonglesSonoffDongle Max
4.3(603)€45.02- DonglesSonoff
Dongle Plus MG24
4.7(680)$35.90 - DonglesSonoff
Dongle Plus PP10
4.6(95)$35.90 - DonglesSonoff
Dongle-PZG23
4.6(174)$39.90 
DonglesSonoffZ-Wave 800 PoE Dongle Max
4.4(22)$44.90- DonglesSonoff
ZBDongle-E
4.6(3,731)$24.90 - DonglesSonoff
ZBDongle-P
4.6(5,668)16% OFF$39.99$33.42 
Door & Window SensorsSonoffDW2-WIFI
3.8(1,057)$12.23
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)$17.99
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
4.0(13)$18.99
Door & Window SensorsSonoffSenseGuard DW Gen2
4.4(203)£35.00