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UHF Anti-metal RFID tag solution and application

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UHF Anti-metal RFID tag solution and application
Apr 02 ,2020
The anti-metal high frequency rfid tag is an electronic tag using a new material with anti-interference function, which effectively solves the problem that the metal carrier interferes with the radio frequency signal of the electronic tag attached to its surface.

In ultra-high frequency (UHF) radio frequency identification tag systems, the identification of tags affixed on metal objects is particularly difficult. These systems provide a large read / write range, but their RF is more difficult to penetrate through obstacles like metals. Higher frequency radio waves will be reflected back by metal objects.

High-efficiency absorbing materials are used. The principle is based on the law that electromagnetic waves propagate in the medium from low magnetic direction to high magnetic permeability direction. High magnetic permeability ferrite is used to guide electromagnetic waves. Through resonance, a large amount of electromagnetic wave radiant energy is absorbed. Converts the energy of electromagnetic waves into thermal energy.

RFID anti-metal tags are divided into high-frequency and ultra-high-frequency tags. Anti-metal tags include flexible anti-metal tags, PCB anti-metal tags, ceramic anti-metal tags, ABS anti-metal tags, and anti-metal mobile phones.

RFID anti-metal tag is also known as metal RFID tags, anti metal RFID label, metal adhesive RFID label. It is made of special rubber magnetic sticky film and electronic tag on its back side. This type of tag technically successfully solves the issue of unable to read the RFID when it is attached to a metal surface.

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