The ultimate way to connect Z-Wave devices to Home Assistant.

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 maximize range. With support for Z-Wave Long Range*, it provides a more dependable, 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.

*Currently, Z-Wave Long Range only supports the North American and European regions, with limited device availability in Europe.

Note: 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 

• 📐 PRECISELY ENGINEERED – The antenna and base are precisely tuned to Z-Wave’s ideal wavelength, working in harmony to provide a reliable connection and maximize range.
• ✅ LATEST Z-WAVE CHIPSET – Certified and includes the latest 800-series chipset, it 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 motorized 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 molded case, to sleek 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.

KEY FEATURES

• In the box: Antenna, Base, USB-Cable (USB 2.0/3.0), Quickstart guide.
• 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.
• Chips inside: Silicon Labs ZG23 (Z-Wave 800 series chip) and ESP32-S3 (USB-serial bridge).

SPECIFICATIONS

NOTES

• Official Documentation - https://support.nabucasa.com/hc/en-us/categories/28669861145885
• Refurbished units: These refurbished units are customer returns (sent directly to us or via Amazon) that have been tested and confirmed to be fully functional, including testing with the ZWA-2 Toolbox Recover Adapter feature. When discovering Z-Wave devices in Home Assistant, the entry for this device may appear with the following message instead of the expected "Home Assistant Connect ZWA-2 "label:Translation [formatjs Error: MISSING_VALUE] The intl string context variable "home_id" was not provided to the string "Network {home_id} at {host}:{port}" Z-Wave". This is a harmless display issue and does not affect functionality. You can still select the entry to add the device—the setup process completes successfully. After adding, a temporary error may briefly appear in the Z-Wave integration, but it automatically resolves within a few minutes as the required add-ons install and start running. The device is then correctly detected and operates normally.