The RFID tag is the physical carrier of the product electronic code (EPC), which is attached to the traceable item, can be circulated globally and can be identified and read and written. RFID (Radio Frequency Identification) technology has attracted people's attention in recent years as a key technology for building "Internet of Things". RFID technology originated in the United Kingdom as early as it was used to identify the identities of enemy and friendly aircraft in World War II, and began commercial use in the 1960s. RFID technology is an automatic identification technology. The U.S. Department of Defense stipulates that after January 1, 2005, all military supplies must use RFID tags; the U.S. Food and Drug Administration (FDA) recommends that pharmaceutical manufacturers use RFID to track routines from 2006 onwards. Falsified medicines. A series of actions such as the application of RFID technology by Walmart and Metro retail industry has promoted the upsurge of RFID applications in the world. In 2000, the price of each RFID tag was $1. Many researchers believe that RFID tags are very expensive and can be applied on a large scale only if the cost is reduced. In 2005, the price of each RFID tag was about 12 cents, and now the price of UHF RFID is about 10 cents. RFID must be applied on a large scale, on the one hand, it is necessary to reduce the price of RFID tags, on the other hand, it depends on whether the application of RFID can bring value-added services. Statistics from the Eurostat Office show that in 2010, 3% of EU companies applied RFID technology, which is used in ID documents and access control, supply chain and inventory tracking, car charging, anti-theft, production control, and asset management.

component

Tag: consists of coupling components and chips, each tag has a unique electronic code, attached to the object to identify the target object; [2]

Reader: A device that reads (and sometimes writes) tag information, which can be designed as a handheld or fixed type; [2]

Antenna: Transmit radio frequency signals between the tag and the reader. [2]

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