The principle of remote control key

The wireless remote control function of the door lock means that the door can be opened and locked remotely without inserting the key key into the lock hole.

The basic principle of remote control: lightly press the button on the remote control key shell to send out a weak electric wave, the car antenna receives the electric wave signal, the signal code is recognized by the remote control module, and then the actuator (motor or electromagnetic coil) of the system executes the start, Locking action.