Do I need broadband? Follow Yes. You will need broadband in your property to use Wiser. Related articles What happens if I lose my internet connection? Have you changed your router or internet service provider? Why won't my phone connect to the Wiser network? Support for BT routers on mesh networks (2.4 and 5 ghz) The Wi-Fi symbol on my Wiser Home app only shows 1 bar, will my system still work?