Remote Control Jammers

When you close the door and press the electronic remote control key, will your door be locked? uncertain! Maybe when you pressed the remote lock, someone also pressed the signal jammer. The investigation shows that if the car jammer is activated at a distance of ten meters, no matter how the owner manipulates the key, the car lock will not respond in the slightest. How can a small electronic device cause the remote control key within a range of more than ten meters to lose control?