LH169420

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LH169420 is a signal processor and radio frequency (RF) personal identification device (PID) launched by Lantiq China, a subsidiary of Lantiq, a leading supplier of communications and broadband access solutions. The LH169420 works as an RF replacement for a regular physical access card mechanism or a key card system. It is compatible with a wide range of frequency bands and supports high encryption standards.

As an RF personal identification device, the LH169420 supports a wide range of applications. It is used in various security-demanding industries such as healthcare, finance, government, telecom, aviation, etc. In addition, it is widely used in access control systems, event management, identity verification, payment systems, network authentication, vehicle immobilization, etc.

The working principle of the LH169420 is based on the communication via the RFID technology. When a person carries, for example, an access card embedded with LH169420 chip, the LH169420 interacts with the host reader system in the following way: the RFID reader initiates a session by sending an activation signal consisting of a specific combination of tones and frequencies. Activation of the LH169420 starts the transmission of the encrypted encoded information stored on the chip. The reader system prevents duplication of the information by using the encrypted data scheme.

The LH169420 device also ensures a secure channel by using encryption techniques. In addition, depending on the customer preferences and application requirements, the device can be configured to different levels of complexity. Depending on the requirements, different forms of encryption techniques can be used such as Advanced Encryption Standard (AES), Data Encryption Standard (DES), Diffie-Hellman, Elliptic Curve Coding (ECC), or ElGamal. All these techniques use the common principle of creating a secret key for encryption and decryption.

The LH169420 is also equipped with an authentication feature allowing for authentication of the devices in different areas, such as application authentication, device authentication, or storage authentication. This allows the users to verify the integrity of the source of the information being transmitted.

Apart from these features, the LH169420 also provides additional features such as random number generator, immunity to environmental noise and interference, RF interface coupling and power level control, automatic tune for synchronization of the cards, and more. This allows the device to be used in a variety of applications demanding secure data transmission with great performance.

In conclusion, the LH169420 is a versatile and secure signal processor and radio frequency personal identification device. It is simple to use and offers a wide range of application areas. The device is highly secure and equipped with advanced encryption techniques. As such, it offers great potential for applications requiring secure transmission and RFID technology.

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