I didn’t think Stingrays were needed for geolocation. The fixed towers can already supply that info. I thought Stingrays forced all nearby cell phones to conne

I didn’t think Stingrays were needed for geolocation. The fixed towers can already supply that info. I thought Stingrays forced all nearby cell phones to connect to them and downgraded the connection to 2G so encryption was not a protection. What am I missing?