The main features of RFID,RFID Inlay

　　The main features of RFID

　　RFID (Radio Frequency Identification) is a radio frequency identification system, also known as wireless IC tags, electronic tags, inductive electronic chips, proximity cards, contactless cards, etc. It is a non-contact data storage through radio waves. The technology of access can be combined with data access technology through wireless communication to link the database system behind it to form a huge and serially connected system. A complete RFID system includes readers, sensors or chips, antennas, software and hardware systems, etc. The basic principle is that when the tag enters the magnetic field area, the received reader sends a signal, and the energy obtained by the induced current is used. Send out the product information stored in the chip, or actively send a signal of a certain frequency, the reader reads the information and decodes it, and sends it to the central information system for related processing.

　　RFID tags can be divided into passive tags: they do not emit data radio waves by themselves, and the reader emits radio waves to generate signals. The antenna of the RFID tag receives the induced current generated by the magnetic field, and then sends the information stored in the chip to the reader for reception. Interpretation. Active tag: In addition to the chip and antenna, the tag has an added power supply, which can actively send out data signals and give the reader to receive and interpret. To sum up, RFID mainly has the following characteristics.

　　Data reading and writing function: as long as RFID is used, the information can be directly read into the database without contact, and multiple tags can be processed at one time, and the status of logistics processing can be written into the tags for reading in the next stage of logistics processing for judgment.

　　Easy miniaturization and diverse shapes: RFID is not limited by size and shape in reading, and does not need to match the fixed size and printing quality of paper for reading accuracy. In addition, RFID can be further miniaturized and diversified to be applied in different products.

　　Environmental resistance: Paper cannot be seen once it gets dirty, but RFID has strong stain resistance to water, oil, and medicines. RFID can also read data in dark or dirty environments.

　　Reusable: Since RFID is electronic data, it can be overwritten repeatedly, so the label can be recycled and reused. Such as passive RFID, it can be used without batteries, and there is no need for maintenance.

　　Penetration: If RFID is covered by non-metallic or non-transparent materials such as paper, wood and plastic, it can also carry out penetrating communication. However, if it is ferrous metal, communication is impossible.

　　The memory capacity of data is large: the data capacity will expand with the development of memory specifications. In the future, the amount of data to be carried by items will increase, and the demand for the capacity expansion of the label will also increase. This RFID will not be limited. .

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