Using Rfid Technology To Realize Intelligent File Management
RFID technology can be classified into low-frequency 125-134 kHz, high-frequency 13.56 MHz, ultra-high frequency 915 MHz and microwave (2.45 GHz) RFID according to its working frequency band. This technology uses the principle of magnetic field mutual inductance to read object information. It has the characteristics of clear boundary, obvious characteristics and strong magnetic field...
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