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RFID Working principle

- Oct 09, 2017 -

The basic working principle of RFID (radio frequency identification) technology is not complicated: After the label enters the magnetic field, it receives the RF signal from the reader and sends out the product information stored in the chip by using the energy obtained by the induced current (passive tag, Passive label or passively label, or actively send a signal (active tag, active tag or active tag); the reader reads the information and decodes it and sends it to the central information system for data processing.

A complete RFID system consists of a reader (reader) and an electronic tag (tag), the so-called transponder (transponder) and the application software system three parts, its working principle is that reader emits a specific frequency of radio energy to transponder , in order to drive the transponder circuit to send the internal data, at this time Reader will receive interpretation data, sent to the application to do the corresponding processing.

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