The Home Assistant Connect ZWA-2 Z-Wave Adapter is built by the Home Assistant and Z-Wave JS team for maximum range and reliability, with support for Z-Wave Long Range*. Features the latest 800-series chipset, precise antenna tuning, effortless migration, and plug-and-play setup.
The most performant Z-Wave adapter available, it is the ultimate way to connect any Z-Wave device to Home Assistant.
The antenna and base are precisely tuned to Z-Wave’s ideal wavelength, working in harmony to provide a reliable connection and maximise range. With support for Z-Wave Long Range*, it provides a more dependable and responsive connection to far-away devices and improved battery life. Designed by the team driving forward Home Assistant and Z-Wave JS, it offers plug-and-play setup and effortless migrations - working perfectly with Home Assistant Green, Raspberry Pi, and many other HA host devices.
*Currently, Z-Wave Long Range only supports the North American and European regions, with limited device availability in Europe. Your devices need to support LR to use this feature.
**Connect ZWA-2 was designed to operate with Home Assistant and the Z-Wave JS add-on. If you use Connect ZWA-2 without Home Assistant, please visit: https://go.nabucasa.com/zwa-2-without-home-assistant
Features
???? Precisely engineered – The antenna and base are precisely tuned to Z-Wave’s ideal wavelength, working in harmony to provide a reliable connection and maximise range.
✅ Latest Z-Wave chipset – Certified and includes the latest 800-series chipset, which supports all Z-Wave devices.
???? All the benefits of Z-Wave – While Zigbee, WiFi, and Bluetooth all share the same airspace, Z-Wave has its own frequency that better cuts through thick walls and with less interference in busy areas.
???? Long-range compatible – This newest iteration of the standard delivers more reliable, responsive connections to very far-away devices, and improved battery life.*
???? Built for Home Assistant – Designed by the team driving forward Home Assistant and Z-Wave JS.
???? Effortless migration – Moving from most other adapters to ZWA-2 can be done in a couple of clicks.
✨ Plug and play – Z-Wave setup has never been easier, thanks to our intuitive start-up wizard and one-click firmware updates.
???? More range, more options – Set up a mailbox sensor in your apartment building or smartify a motorised gate at the end of your driveway.
???? 2nd generation platform – Built on our second-generation Home Assistant Connect platform (hence the 2), it is designed to be performant and open.
????️ Designed for the home – From its injection moulded case, to clean lines, it's designed to blend into home decor. It not only resembles a candle, but it also lights up like one.
*At launch, Z-Wave Long Range had limited device support outside North America, but this will expand soon.
Hardware Support
- Supporting devices: Z-Wave 800 and older (including Z-Wave Plus and Plus V2), Z-Wave Long Range (only in EU and US).
 - Supported features: Security 2 (S2), SmartStart, Over-the-Air (OTA) Firmware Updates, Over-the-Wire (OTW) firmware updates.
 - Supported regions: All Z-Wave regions, including US, EU, and AU.
- Long Range support currently includes only the US and EU regions
 - Your other devices need to support Long Range to use this feature
 
 - Chips inside: Silicon Labs ZG23 (Z-Wave 800 series chip) and ESP32-S3 (USB-serial bridge).
 
Specifications
| Model no. | NC-ZWA-9734 | 
| Conformity | CE, FCC, RCM | 
| FCC-ID | 2A8ZE05 | 
| Origin | Made in China | 
| SoCs | Silicon Labs ZG23, ESP32-S3 (USB-serial bridge) | 
| Power and data | USB-C, 5V DC, 1A | 
| Supported protocols | Z-Wave, Z-Wave Long Range | 
| Z-Wave series | 800 | 
| Frequency range | 860–930 MHz | 
| Regional frequencies | US: 908.42/916 MHz (mesh), 912/920 MHz (LR) EU: 868.4/869.85 MHz (mesh), 864.0/866.0 MHz (LR) AU: 919.8/921.4 MHz  | 
| Peak gain | 3.38 dBi | 
| Radiation pattern | Omnidirectional | 
| Dimensions & weight | 125×125×315 mm, 350 g With box: 345×222×45 mm, 600 g  | 
| Material | Enclosure: Polycarbonate plastic, colours: white and semi-transparent | 
| Environmental conditions | Indoor use only 0 °C to 65 °C / 32 °F to 149 °F Humidity: non-condensing Keep in a dry, not excessively dusty environment Do not leave in direct sunlight or near heat sources  | 
What's in the box?
1 x Antenna
1 x Base
1 x USB-Cable (USB 2.0/3.0)
1 x Quickstart guide
Resources