Home Assistant Connect Z-Wave Adapter (ZWA-2)

by Home Assistant

This official adapter with built-in antenna and indicator light is the ultimate way to connect Z-Wave devices up to Home Assistant.

ZWA-2 lets you easily integrate Z-Wave devices with your Home Assistant setup. The antenna and base are precisely tuned to Z-Wave’s ideal wavelength to provide a reliable connection and maximize range. It also supports Z-Wave Long Range* which provides a dependable, responsive connection to far-away devices plus improved battery life. Designed by the team driving forward Home Assistant and Z-Wave JS, it offers plug-and-play setup and effortless migrations.

  • 📐 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 the 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 has 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

  • Model: NC-ZWA-9734
  • Conformity: CE, FCC, RCM
  • FCC-ID: 2A8ZE05
  • SoCs: Silicon Labs ZG23, ESP32-S3 (USB-serial bridge)
  • Power and data: USB-C, 5 V DC, 1 A
  • Supported protocols: Z-Wave, Z-Wave Long Range
  • Z-Wave series: 800
  • Antenna characteristics:
    • Frequency range: 860-930 MHz
      The frequency used by end devices depends on the region, e.g:
      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: 125x125x315 mm, 350 g
  • Environmental conditions for operation:
    • Indoor use only
    • 0°C to 65 °C
    • Humidity: non-condensing
    • Keep in dry, not excessively dusty environment, as this can cause damage to the unit.
    • Do not leave the unit in direct sunlight or near any heat source, as this can cause overheating.

Resources

Notes

  • 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