How close does a key fob work?
How close does a key fob work? Keyless remotes contain a short-range radio transmitter, and must be within a certain range, usually 5–20 meters, of the car to work. When a button is pushed, it sends a coded signal by radio waves to a receiver unit in the car, which locks or unlocks the door. How close should a fob be to a car? The advertised range is 100ft. You must push the button twice within a couple of seconds for it to start, so pocket starting is unlikely. The car won't remote start if the doors are unlocked. After...