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79962 Application Field and Working Principle

79962 is a type of RFID transponder that is extensively used in automotive applications. It is mainly used in remote keyless entry system (RKE) and vehicles’ immobilization systems. 79962 transponder is a small rectangular chip that is integrated into the car\'s key. It emits a coded RF signal with a specific frequency when the car is activated using the remote key.

The 79962 transponder belongs to the HF (13.56 MHz) frequency band, and is compatible for data transmission with other RFID chips with the exact frequency. When the RFID signal of the key is received by the antenna inside the automobile, the transponder chip does an authentication process. The contents of the chip are unlocked and transmitted to the car\'s data processing system. The data in the chip will be compared to the stored data in the car in order to authenticate that the key is original. Then, the car will be unlocked, the engine will be started or other user-defined processes will be implemented.

The working principle of the 79962 RFID chip is based on a mutual inductance. An antenna is placed on the RFID key and a matching antenna detects the presence of the key. The antenna on the key transfers data to the antenna on the car. The transferred data is received by the antenna and an electrical current is generated. This current provides the energy required for the chip to process the data and do the authentication. Once the authentication is successful, the data in the chip is transmitted to the car\'s data processor. The processor then compares the data with the stored data and does the necessary processing.

The 79962 RFID transponder also finds application in access control systems and security applications. The 79962 transponder is uniquely identified by its ID number, so it is ideal for applications which requires a high-level security. The ID number and other data can be stored in the transponder and used for authentication purpose. The information stored in the transponder can not be copied or duplicated, so it provides the highest level of security to any application in which it is used.

In conclusion, the 79962 is an RFID transponder that is used in automotive applications, especially in remote keyless entry systems and vehicles’ immobilization systems. It works on the mutual coupling of an antenna in the RFID key and a matching antenna in the car, which transfers the ID data to the car and authenticates it. The 79962 also finds application in access control systems and security applications for its uniqueness and secure authentication.

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