Check this out. Thief approaches door of house with car parked out front. He is holding a wire antenna. If the car owner has left their keys near the front door, the wire antenna will boost the signal. Success! The key fob is near the door. Signal boosted. This causes the car to think the key is very near to it, and opens the car door. Thief's accomplice gets in and starts the car. They drive away! https://mastodon.social/@it4sec/111167031354970229