what rfid is made of

　　what rfid is made of

　　RFID is mainly composed of electronic tags, readers and antennas. Electronic tags are composed of coupling elements and chips, each electronic tag has a unique electronic code; the reader is a device that reads or writes tag information; the antenna is used to transmit radio frequency signals between the electronic tag and the reader. .

　　◆Electronic label: The electronic label is composed of coupling components and chips, each electronic label has a unique electronic code, which is attached to the object to identify the target object; each electronic label has a globally unique ID number - UID (User Identity) proof), which is stored in the ROM when the tag chip is made and cannot be modified by the user.

　　◆Reader: The reader is a device for reading or writing label information, which can be designed as a handheld or fixed type. Identify, read and write tags, and generally transmit the collected data information to the background system, and the background system processes the data information.

　　◆Antenna: The antenna is used to transmit radio frequency signals between the electronic tag and the reader. The antenna in the radio frequency circuit is the bridge between the reader and the electronic tag. The radio frequency signal energy sent by the reader is radiated to the space in the form of electromagnetic waves through the antenna. When the antenna of the electronic tag enters the space, a small part of it is received. The energy of the electromagnetic wave can meet the energy of the driving circuit, and then the signal with the data of the electronic tag itself is emitted.

　　The application of RFID is very extensive. At present, typical applications include logistics management, intelligent manufacturing, fixed asset management, clothing retail management, and medical waste management.

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