# Home Assistant Connect ZWA-2

> Z-Wave 700 series USB stick for Home Assistant, based on Silicon Labs EFR32ZG23. Plug-and-play Z-Wave coordinator with long range support, designed by Nabu Casa for seamless Home Assistant integration.

## Quick Facts

- **Brand:** Nabu Casa
- **Board Type:** usb-dongle
- **Price:** ~$29.99
- **Product Readiness:** consumer
- **CPU:** EFR32ZG23
- **CPU Architecture:** ARM Cortex-M33
- **CPU Cores:** 1
- **RAM:** 64 KB
- **Flash:** 512 KB
- **USB:** USB 2.0 Type-A
- **Power:** 5V
- **Operating Voltage:** 3.3V

## Connectivity

- **Zwave:** Z-Wave 700

## Open Source

- **Firmware:** No
- **Schematics:** No
- **PCB Layout:** No

## Certifications

FCC, CE

## Compatible Firmware

z-wave-js

## Use Cases

- smart-home
- home-assistant
- z-wave-coordinator

## Components

- **EFR32ZG23** (MCU): Silicon Labs EFR32ZG23 — ARM Cortex-M33 MCU with integrated Z-Wave 700 series radio and Z-Wave Long Range support — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.silabs.com%2Fdocuments%2Fpublic%2Fdata-sheets%2Fefr32zg23-datasheet.pdf&ref=openhardware.directory&product=home-assistant-connect-zwa-2&source=md-export)

## Description

## Overview

The Home Assistant Connect ZWA-2 is a Z-Wave USB stick designed by Nabu Casa specifically for Home Assistant. Built on the Silicon Labs EFR32ZG23 chipset (Z-Wave 700 series), it provides reliable Z-Wave coordination with support for Z-Wave Long Range.

## Key Features

- **Z-Wave 700 series** with Long Range support
- **Silicon Labs EFR32ZG23** — latest generation Z-Wave chipset
- **Plug-and-play** with Home Assistant — auto-detected and configured
- **SmartStart** and **S2 Security** support for easy and secure device pairing
- Compact USB stick form factor
- Works with the Z-Wave JS integration in Home Assistant

## Getting Started

1. Plug the ZWA-2 into your Home Assistant host (or use a USB extension cable for better signal)
2. Home Assistant will auto-detect the stick and prompt you to set up Z-Wave JS
3. Start adding Z-Wave devices using SmartStart QR codes or manual inclusion

## Notes

- For best range, use a USB extension cable to position the stick away from the host computer
- Supports firmware updates through Home Assistant
- Successor to the original ZWA-1 (Aeotec Z-Stick 7 rebrand)

## Where to Buy

- [OpenELAB](https://openhardware.directory/r?to=https%3A%2F%2Fopenelab.io%2Fproducts%2Fseeed-studio-home-assistant-connect-zwa-2&ref=openhardware.directory&product=home-assistant-connect-zwa-2&source=md-export) — $99.95

## Resources

- [product](https://openhardware.directory/r?to=https%3A%2F%2Fwww.home-assistant.io%2Fconnect%2Fzwa-2&ref=openhardware.directory&product=home-assistant-connect-zwa-2&source=md-export)

## Tags

`z-wave`, `usb-dongle`, `home-assistant`, `nabu-casa`, `smart-home`, `coordinator`

## Images

![Home Assistant Connect ZWA-2](https://nbg1.your-objectstorage.com/openhardware-directory/entities/home-assistant-connect-zwa-2/269a09988a84.webp)
![Home Assistant Connect ZWA-2](https://nbg1.your-objectstorage.com/openhardware-directory/entities/home-assistant-connect-zwa-2/ef6deebdb4ff.webp)
![Home Assistant Connect ZWA-2](https://nbg1.your-objectstorage.com/openhardware-directory/entities/home-assistant-connect-zwa-2/b0d06697b1fc.webp)

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