An RFID dual-frequency near-field medium-range reading and writing system
A read-write system and near-field technology, applied in the field of RFID, can solve the trouble of finding time, only identify ultra-high frequency tags, only identify high-frequency tags, etc., to achieve the effect of easy inventory
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[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0021] An RFID dual-frequency near-field medium-distance reading and writing system of the present invention, such as figure 1 As shown, it includes ARM core board 1, high frequency reader 2 (working frequency 13.56Mhz, conforming to ISO15693 standard), UHF reader 3 (working frequency 915Mhz, conforming to ISO18600-C standard) and host computer 4, The ARM core board 1 is connected to the high-frequency reader-writer 2 and the UHF reader-writer 3 through two serial ports, the ARM core board 1 is connected to the upper computer 4 through the serial port or Bluetooth, and the high-frequency reader-writer 2 and the UHF The reader-writer 3 is connected to the high-frequency antenna 5 and the UHF antenna 6 respectively, and the ARM core board 1 , the high-frequency reader-writer 2 and the UHF reader-writer 3 are connected to the power supply circuit 7 through...
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