Re: How far?
Yup and I can get decent WiFi in my fibre cement garage workshop 20+m from the router and through a couple of brick walls/chimney. I can get a good 50m down the road on WhatsApp with the youngest in NZ before the handover to digital data happens.
Depending on the atmospherics I can get 8+ wifis visible and we are all either detached or semi-detached houses and ours doesn't broadcast. Most are using the generic ISP call sign. If I wanted to . . .