Updated July 2026
Data from Amazon and official Nabu Casa and Smlight sites.
2026 verdict
Smlight SLZB-MR1U edges out Nabu Casa Home Assistant Connect ZBT-2 in 2026, led by power, connectivity, and zigbee router. What pushes it ahead is power, connectivity, and zigbee router, and amplifier gain and antenna gain keep the advantage from looking narrow. Nabu Casa Home Assistant Connect ZBT-2 is the better fit only for buyers who prioritize price above everything else here. For most setups, Smlight SLZB-MR1U is the smarter buy.
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| Feature | Nabu Casa Home Assistant Connect ZBT-2 | Smlight SLZB-MR1U | Winner |
|---|---|---|---|
| Price | $65.00 | $102.99 | Nabu Casa Home Assistant Connect ZBT-2 |
| Power | USB | USB, PoE | Smlight SLZB-MR1U |
| Connectivity | USB | USB, Ethernet, 2.4 GHz WiFi | Smlight SLZB-MR1U |
| Zigbee Router | NO | YES | Smlight SLZB-MR1U |
| Amplifier Gain | 10dBm | +20dB | Smlight SLZB-MR1U |
| Antenna Gain | +4.16dBi | +5dBi | Smlight SLZB-MR1U |
| Dual Network | NO | YES | Smlight SLZB-MR1U |
| Bluetooth Proxy | NO | YES | Smlight SLZB-MR1U |
| Zigbee Chip Model | EFR32MG24 | EFR32MG21 / CC2652P7 | Different strengths |
| Rating | 4.8 | 4.8 | Tie |
| Warranty | 1 year | 1 year | Tie |
| Z-Wave Controller | NO | NO | Tie |
$65.00
- + Price: $65.00
- - Power: USB vs USB, PoE
- - Connectivity: USB vs USB, Ethernet, 2.4 GHz WiFi
Winner
$102.99
- + Power: USB, PoE
- + Connectivity: USB, Ethernet, 2.4 GHz WiFi
- + Zigbee Router: YES
- - Price: $102.99 vs $65.00
Frequently Asked Questions
Which is better overall: Nabu Casa Home Assistant Connect ZBT-2 or Smlight SLZB-MR1U?
Smlight SLZB-MR1U has the stronger overall profile in this comparison, especially for power, connectivity, and zigbee router.
What is the biggest difference between Nabu Casa Home Assistant Connect ZBT-2 and Smlight SLZB-MR1U?
Price is one of the clearest differences: Nabu Casa Home Assistant Connect ZBT-2 lists $65.00, while Smlight SLZB-MR1U lists $102.99.
Which one looks better on price?
Nabu Casa Home Assistant Connect ZBT-2 is listed at $65.00, while Smlight SLZB-MR1U is listed at $102.99. Nabu Casa Home Assistant Connect ZBT-2 (better spec).
Who should buy Nabu Casa Home Assistant Connect ZBT-2?
Choose Nabu Casa Home Assistant Connect ZBT-2 if your priority is price and that matters more than power.
Who should buy Smlight SLZB-MR1U?
Choose Smlight SLZB-MR1U if your priority is power and connectivity and that matters more than price.
Full comparison table
Compare all 35 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.
- 35 Dongles
- 32 specs compared
- 29 filters
SmlightSLZB-MRW10
$100.00
SmlightSLZB-06 U
$72.99
SmlightSLZB-MR3
SmlightSLZB-MR4
SmlightSLZB-MR5U
$119.99
SmlightSLZB-07
$34.99- Nabu Casa
Home Assistant Connect ZBT-2
$65.00 
SmlightSLZB-MR1U
$102.99
SmlightSLZB-07p7
$36.99
ZoozZ-Wave Long Range Stick
$39.95
SonoffDongle Plus MG24
$35.90
SonoffZBDongle-P
15% OFF$39.99$33.88
SonoffZBDongle-E
8% OFF$26.99$24.90
SonoffDongle-PZG23
$39.90
SmlightSLZB-06M
$72.99
SmlightSLZB-06P10
$85.99
SmlightSLZB-06p7
$79.99
SmlightSLZB-MR1
$103.99
SonoffDongle Plus PP10
$35.90
SmlightSLZB-06p7U
$78.99
DonglesSmlightSLZB-06 MG24
$82.99
DonglesSmlightSLZB-06 MG26
$84.99- DonglesSmlight
SLZB-06 U
$72.99 
DonglesSmlightSLZB-06
$72.99- DonglesSmlight
SLZB-06M
$72.99 - DonglesSmlight
SLZB-06P10
$85.99 - DonglesSmlight
SLZB-06p7
$79.99 - DonglesSmlight
SLZB-06p7U
$78.99 
DonglesSmlightSLZB-07 MG24
$45.99
DonglesSmlightSLZB-07 MG26
- DonglesSmlight
SLZB-07
$34.99 
DonglesSmlightSLZB-07P10
$48.99- DonglesSmlight
SLZB-07p7
$36.99 - DonglesSmlight
SLZB-MR1
$103.99 - DonglesSmlight
SLZB-MR1U
$102.99 
DonglesSmlightSLZB-MR2
£160.48- DonglesSmlight
SLZB-MR3
- DonglesSmlight
SLZB-MR4
- DonglesSmlight
SLZB-MR5U
$119.99 - DonglesSmlight
SLZB-MRW10
$100.00