Transponder Car Key Technology

Nearly half of all the latest high-end cars on the road today require the use of transponder keys for startup. A key transponder is essentially an ignition key with a computer chip and tiny copper wires embedded in his head made of plastic or rubber. The use of radio frequency identification (RFID) chip that communicates with the onboard computer of the car (the issuer). When you turn the ignition key, the response to signals sent by the vehicle' s computer and sends a 32 digit alphanumeric code, or label, in response to the computer. The computer processes the code and will launch a car below the transponder code is valid. Therefore, the engine will not start if the chip is broken or missing.

In this way, transponder keys, real-time identification of the point using wireless radio waves. They operate at a frequency of about 125 kHz, and their scope is limited to about 7 inches. Transponder keys do not require batteries or electricity to operate and have no buttons for the operator of the press. Developed by BMW and General Motors in the early 1980s, they were created to make intelligent keys theft more difficult. While not perfect, have significantly lowered the key transponder number of stolen vehicles and revolutionized the industry of automotive safety.

Locksmith’s automotive transponder key blank stock and they have the equipment to read a transponder is a transceiver or the code and mark on these topics. These locksmiths can cut and program keys for the three types of electronic tags used in vehicle systems, magnetically coupled transponder: fixed (code permanent), stock (unique code each time the key is inserted) and encryption (code protection password created using bidirectional algorithm). Because technology changes all the time, however, can duplicate transponder keys to be both time consuming and expensive. For these reasons, motorists are encouraged to have spare keys made and always keep their keys in safe places. This will avoid the hassle of having to replace them if lost or destroyed.