Option 1 · Nabu Casa
Nabu Casa Home Assistant Connect ZWA-2
Last updated October 2026
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Nabu Casa Home Assistant Connect ZWA-2 vs Smlight SLZB-MR3
Understand the differences. Decide what matters to your home.
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Key differences between Nabu Casa Home Assistant Connect ZWA-2 and Smlight SLZB-MR3
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): Nabu Casa Home Assistant Connect ZWA-2 — No; Smlight SLZB-MR3 — Yes.
- Ethernet (connectivity): Nabu Casa Home Assistant Connect ZWA-2 — No; Smlight SLZB-MR3 — Yes.
- Bluetooth Proxy (features): Nabu Casa Home Assistant Connect ZWA-2 — No; Smlight SLZB-MR3 — Yes.
- Dual Network (features): Nabu Casa Home Assistant Connect ZWA-2 — No; Smlight SLZB-MR3 — Yes.
Specifications to check side by side
- Antenna Gain (radio specifications): Nabu Casa Home Assistant Connect ZWA-2 — +3.38dBi; Smlight SLZB-MR3 — +5dB.
- External Antennas (radio specifications): Nabu Casa Home Assistant Connect ZWA-2 — 1; Smlight SLZB-MR3 — 2.
Information still to confirm
- 7 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.
11differences with recorded values for every device
7rows 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
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- No
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- Yes
- Smlight SLZB-MR3
- Yes
Features
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- No
Integrations
- Nabu Casa Home Assistant Connect ZWA-2
- Yes
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- Not applicable / unspecified
- Smlight SLZB-MR3
- Yes
Matter
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- No
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
Power
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- Yes
- Smlight SLZB-MR3
- Yes
Radio Specifications
- Nabu Casa Home Assistant Connect ZWA-2
- +20dBm
- Smlight SLZB-MR3
- +20dBm
- Nabu Casa Home Assistant Connect ZWA-2
- +3.38dBi
- Smlight SLZB-MR3
- +5dB
- Nabu Casa Home Assistant Connect ZWA-2
- 1
- Smlight SLZB-MR3
- 2
Z Wave
- Nabu Casa Home Assistant Connect ZWA-2
- Silicon Labs
- Smlight SLZB-MR3
- Not applicable / unspecified
- Nabu Casa Home Assistant Connect ZWA-2
- EFR32ZG23
- Smlight SLZB-MR3
- Not applicable / unspecified
- Nabu Casa Home Assistant Connect ZWA-2
- Yes
- Smlight SLZB-MR3
- No
- Nabu Casa Home Assistant Connect ZWA-2
- Z-Wave Series 800
- Smlight SLZB-MR3
- Not applicable / unspecified
Zigbee
- Nabu Casa Home Assistant Connect ZWA-2
- Not applicable / unspecified
- Smlight SLZB-MR3
- Silicon Labs / Texas Instruments
- Nabu Casa Home Assistant Connect ZWA-2
- Not applicable / unspecified
- Smlight SLZB-MR3
- EFR32MG24 / CC2674P10
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- No
- Smlight SLZB-MR3
- Yes
- Nabu Casa Home Assistant Connect ZWA-2
- Not applicable / unspecified
- Smlight SLZB-MR3
- Zigbee 3.0
| Specification | Nabu Casa Home Assistant Connect ZWA-2 | Smlight SLZB-MR3 |
|---|---|---|
| Connectivity | ||
| No | Yes | |
| No | No | |
| No | Yes | |
| Yes | Yes | |
| Features | ||
| No | Yes | |
| No | Yes | |
| No | No | |
| Integrations | ||
| Yes | Yes | |
| Not applicable / unspecified | Yes | |
| Matter | ||
| No | No | |
| No | Yes | |
| Power | ||
| No | Yes | |
| Yes | Yes | |
| Radio Specifications | ||
| +20dBm | +20dBm | |
| +3.38dBi | +5dB | |
| 1 | 2 | |
| Z Wave | ||
| Silicon Labs | Not applicable / unspecified | |
| EFR32ZG23 | Not applicable / unspecified | |
| Yes | No | |
| Z-Wave Series 800 | Not applicable / unspecified | |
| Zigbee | ||
| Not applicable / unspecified | Silicon Labs / Texas Instruments | |
| Not applicable / unspecified | EFR32MG24 / CC2674P10 | |
| No | Yes | |
| No | Yes | |
| Not applicable / unspecified | Zigbee 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