How RFID technology is favored by digital smart laboratories

　　How RFID technology is favored by digital smart laboratories

　　Today, a large number of digital identification cards such as credit cards, telephone cards, and financial IC cards are closely related to people's daily lives, and their applications make various transactions more convenient and faster. However, most of these identification cards use magnetic stripe swiping cards or IC chips to make a contact connection with a card reader to read data information. In long-term use, it is easy to cause data identification errors due to wear and tear, and the contact identification card has a specific contact point, the card has directionality, and the convenience of operation needs to be improved.

　　In the 1990s, in response to the shortcomings of the contact identification system, an automatic identification technology, radio frequency identification (RFID), was gradually developed and gradually matured. It uses radio frequency for non-contact two-way communication to achieve the purpose of identifying and exchanging data.

　　The most basic RFID system consists of three parts: electronic tags, readers, and antennas. The tag is composed of a coupling element and a chip. The tag has a built-in antenna for communication with the radio frequency antenna; the reader is used to read or write tag information; the antenna is used to transmit radio frequency signals between the tag and the reader.

　　Since each electronic tag has a globally unique ID number-UID (UID is placed in the ROM when the chip is made, and cannot be modified or imitated), the data part can be securely managed by some encryption algorithms, readers and tags Mutual security authentication process can be set up between. Therefore, RFID technology has achieved rapid development in anti-counterfeiting and other applications, and has achieved certain breakthroughs.

　　At present, RFID tags can be embedded in standard passport covers or documents in terms of passport anti-counterfeiting and electronic wallets. The chip also provides security functions and supports hardware encryption to ensure security. A considerable scale of applications has also been formed in this field in China, and the new era ID cards are being promoted and applied accordingly.

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