The anti-metal high-frequency electronic tag

The anti-metal high-frequency electronic tag is an electronic tag that uses new materials with anti-interference function, which effectively solves the problem of metal carrier interference with the radio frequency signal of the electronic tag attached to its surface.

In the ultra-high frequency (UHF) radio frequency identification tag system, the identification of the tag attached to the metal carrier is particularly difficult. These systems provide a larger read/write range, but their radio frequency is more difficult to penetrate obstacles such as metals. Higher frequency radio waves will be reflected back by metal objects.

High-efficiency absorbing materials are now used. The principle is based on the law that electromagnetic waves propagate in the medium from low magnetic to high magnetic permeability. High permeability ferrite is used to guide electromagnetic waves. Through resonance, a large amount of electromagnetic wave radiation energy is absorbed, and then through coupling Convert the energy of electromagnetic waves into heat.

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

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