In order to assign device to ReX:
- Go to ReX Settings in the Ajax application (Devices → ReX → Settings ⚙️).
- Click Pair with device.
- Select the devices that should operate via the range extender.
- Click Back to save the settings.
The devices operating via the range extender are labeled with RE icons in the application's list of hub devices. In addition, the latter is also specified in the device menu, in the Operates via ReX field.