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What are the advantages and disadvantages of different types of UHF anti-metal RFID tags?

Why use anti-metal RFID tag for metal surface?

With the rapid development of Internet of Things technology, as one of its key technologies, RFID technology has been more and more widely used. The performance requirements for RFID system is also getting higher and higher, especially for UHF RFID systems based on the principle of electromagnetic wave backscatter.

However, in many applications, RFID tags need to be attached to the surface of metal objects. When a common passive UHF RFID tag is applied to a metal surface, the performance is drastically degraded and can not even be effectively read.

Therefore, when applied to a metal environment, finding the appropriate RFID anti-metal tag is a prerequisite to ensure the effectiveness of RFID system applications.

What are the common types of uhf anti-metal tags? What are their advantages and disadvantages?

Common UHF anti-metal tags mainly include ABS UHF anti-metal RFID tag, PCB uhf anti-metal RFID tag, glue uhf anti-metal rfid tag, UHF anti-metal ceramic rfid tag, foam and flexible metal RFID tags (printable). And can be made into various styles and shapes, such as bar, square, and round. Widely used in power asset management, enterprise asset management, equipment management, dangerous goods management of field metal management, logistics tray management, asset tracking, metal shelf management, etc. 

UHF anti-metal RFID tags

1. ABS UHF anti-metal RFID tag
ABS UHF anti-metal RFID tag has the characteristics of sunscreen, waterproof and high temperature resistance , and is widely used in logistics management. It can achieve the informationization and modernization of logistics management, improve the logistics management level and management efficiency, and reduce the management cost. Main applications: logistics management, bags, pallets, containers, shelves, equipment, fixed assets, etc.

2. PCB uhf anti-metal RFID tag
PCB uhf anti-metal RFID tag can be directly pasted on the metal surface without tedious installation work. Suitable for use on the car license plate, also suitable for the outdoor power equipment inspection, tower pole inspection, elevator inspection, pressure vessel steel cylinder steam bottles, all kinds of electrical household appliances product tracking, asset management, logistics management, auto parts process management.

3. Glue uhf anti-metal RFID tag
Encapsulated by the combination of foam and glue, which is low cost but relatively limited reading distance. Suitable for outdoor use, such as outdoor power equipment inspection, tower wire rod inspection, elevator inspection, etc.

4. Ceramic UHF anti-metal RFID tag
Ceramic anti-metal tag can be installed on metal surface and has strong corrosion resistance, which can be used in harsh working environment. Mainly used in component tracking, asset management.

5. Foam flexible anti-metal tag
The flexible anti-metal tag of foam is relatively small, the reading and writing distance is far away, it has certain softness, can be posted large curvature of the paste, and it can be applied to the asset management.

6. Flexible UHF anti-metal tag (printable)
Flexible UHF anti-metal tag (printable) can be bent. It is used for metal surface. It has good properties of good anti-metal, excellent performance, good direction and long distance reading. Can be applied to RFID asset management, cylinder tracking, traffic control, logistics management, dangerous goods management and so on.