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RFID radio frequency identification: it is a non-contact automatic identification technology. It automatically identifies the target object and obtains relevant data through radio frequency signals. The identification work does not need manual intervention and can work in various harsh environments. RFID technology can identify high-speed moving objects and multiple electronic tags at the same time, which is fast and convenient to operate.
RFID reader (reader writer) communicates wirelessly with RFID electronic tag through antenna, which can read or write tag identification code and memory data. A typical reader consists of a high-frequency module (transmitter and receiver), a control unit, and a reader antenna. Among them, electronic tags are also called RF tags, transponders and data carriers
