Working principle of car smart key modification

In fact, the modification of the smart key involves the replacement of the entire starting system of the original car. The smart keyless start system was developed on the basis of a remote-controlled door lock, using R FID technology, similar to a smart card. When approaching the sensing area of the keyless access control system, as long as the hand touches the door handle, the driver's identification “key” of the PK E system will receive the low-frequency signal sent by the car. If this signal and the identity stored in the “key” The identification information is consistent, and the "key" will be woken up. In addition, the three-dimensional omnidirectional antenna input circuit on the "key" can ensure that the "key" can detect the wake-up signal from the car in any orientation.