RFID tags are an important part of the Internet of Things. Using RFID tags, items and fixed assets can be managed quickly, easily and conveniently, saving time and effort. In the RFID fixed asset management system, what is the core?
The core of RFID tags
1. Chip: The technology and quality of the chip determine whether the entire RFID fixed asset management system can operate normally. RFID chips are divided into tag chips and reader chips. The chip of the RFID electronic tag integrates all circuits except the tag antenna and matching line, including modules such as RF front-end, analog front-end, digital baseband and memory unit.
The basic requirements for chips are light, thin, small, high stability and low price. The development trend of RFID chip design and manufacturing technology will continue to be lower power consumption, longer distance, faster read and write speed, higher reliability and security, and continuous reduction of cost. For domestic RFID chip manufacturers, the most important thing is stability, including the production process that needs to be improved.
2. Antenna: Antenna is also divided into tag antenna and reader antenna. As the carrier of signal transmission, the importance of antenna is self-evident.
In RFID tag technology, the antenna must meet the following points: it has omnidirectional or hemispherical coverage directionality; the volume is small enough to be attached to the item; the chip that provides the maximum possible signal to the tag; no matter what direction the item is, the antenna The polarization can match the interrogation signal of the reader.
The advantages of RFID technology in the field of fixed asset management
1. No need to find the location and read in batches: In reading RFID tags, there is no need to find and scan them one by one like barcodes and QR codes. RFID inventory machine can refer to reading RFID electronic tags, which can read hundreds or even thousands of tags at a time, which is convenient and fast.
2. More content can be read and written, not limited by the size of the tag: RFID electronic tags can store more information, such as units, departments, names, responsible persons, etc., and can also be rewritten and reused repeatedly, with strong tolerance. The read data is also uploaded to the system immediately for processing, and the product can be traced back to its source.
3. Long reading distance: RFID tags are in the inventory. According to the power of the RFID reader and the gain rate of the antenna, the reading distance can range from tens of centimeters to several meters.
4. Long storage period: RFID tags are classified into various categories. According to the needs of users, RFID electronic tags with the characteristics of waterproof, anti-magnetic, anti-corrosion, and high temperature resistance can be selected. Compared with ordinary barcode tags, they are less likely to be damaged and the storage period long.
5. High security: One of the core technologies of RFID tags is the chip, which is not easy to counterfeit, has a reliable security encryption mechanism, and has high security performance.
6. Unique identification: When each RFID tag is printed, the tag has been bound with the item information. For each item, RFID is unique like an ID card.
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