1.
Constitution of the Radio Frequency Keyless Entry System
for Vehicle
The radio frequency keyless entry is a system that it controls locking and unlocking the vehicle
door and anti-theft protection using wireless remote controller. This system consists of two
components.The TRANSMITTER is a device that transmits the signal when the button is pressed.
The transmission signal consists of several synchronous codes, unique identification code,
security code and function code. The RECEIVER is fixed inside the vehicle. It works intermitt
ently to prevent the battery exhaustion. When the receiver detects the synchronous code,
it runs continuously to receive the signals completely.
After receiving the signal, the receiver decides which operation will be performed. The user can
select the following operations by pressing the button of the remote transmitter.
OPERATION ACTION
LOCK
lock the door
UNLOCK
unlock the door
TRUNK
open the trunk
PANIC
Vehicle is disarming will be start sounding the horn and flushing the hazard lamp intermittently
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