Even on relocating to the current premises, we just reconnected the Airport to our DSL router, ran the Airport setuputility and it all worked just fine.
To make it quick and easy to get rolling with Everio, Wi-Fi models are supported by a QR code-based Wi-Fi setuputility, and all models are supported by a mobile user guide that's been optimized for smartphone viewing.
Apple builds in a utility that appears during setup and will migrate data files, settings and apps from an older Mac, either over a cable or a wireless network.