You need the SSID (ie network name) and Network Password for your 2.4 Ghz Home WiFi Network to use the bwa App.
Often, the factory default 2.4 GHz SSID and Password are listed on your router.
If the factory defaults to your router have been changed, there is usually a button to reset the router for factory default. Consult the manual of your router (often available online) or tech support of your internet service provider.
Here are some helpful links with more information:
Are you able to find your 2.4 GHz SSID and Password?