Before you can use Home Assistant Connect ZWA-2 with Home Assistant, you need to connect it to a smart home hub running Home Assistant. The following steps show you how to do this.

Prerequisites

• Home Assistant smart home hub with a USB 2.0 port, for example, a Home Assistant Green.
  • If you do not have Home Assistant installed on the hub yet, follow these steps.
• Home Assistant 2025.8 or newer installed on your smart home hub.
• Home Assistant Connect ZWA-2 with a USB-C to USB-A cable (included in the box).

To form a new Z-Wave network

Step 1

Find a good location.

• Place the device away from objects that may cause interference or block signals, such as:
  • thick walls
  • wire mesh
  • metal (such as server rack housings or wall mounting brackets)
  • other transmitters (such as computers, routers, USB 3.0 ports)
  • an aquarium.

Step 2

Install the device

• Screw the antenna onto the base and make sure the device is placed so that the antenna is in a vertical position.
  • Notice: Be careful not to overtighten. It could damage the device beyond repair.
• Don't fix the device into place permanently yet.
  • After you have connected the device to Home Assistant, you can check if your device is in a good spot or if there is interference. Depending on the result, you might want to move it to another location.

Step 3

Connecting Home Assistant Connect ZWA-2 to Home Assistant

• Follow the Z-Wave integration documentation on connecting Home Assistant Connect ZWA-2 to Home Assistant.

Step 4

Check for interference

• You're all set, Home Assistant Connect ZWA-2 is connected to Home Assistant.
• To be sure your device is in a good location, follow the steps under checking the distance to other transmitters to avoid interference.

Related topics

• Device overview
• About Home Assistant Connect ZWA-2
• Migrating an existing Z-Wave network to Home Assistant Connect ZWA-2

Prerequisites

• Finding an installation location
• Installing Home Assistant Connect ZWA-2
• Home Assistant installation documentation for different hubs

Z-Wave integration documentation

• Connecting Home Assistant Connect ZWA-2 to Home Assistant (setting up a new Z-Wave JS server)