Initially in the technical field, the transponder refers to an electronic module that can transmit information and reply information. In recent years, due to the rapid development of radio frequency technology, the transponder has a new concept and meaning, and is also called a smart tag or tag. The reader (reader) of the RFID electronic elevator certificate performs wireless communication with the RFID electronic tag through an antenna, which can read or write the tag identification code and memory data. A typical reader includes a high-frequency module (transmitter and receiver), control unit, and reader antenna.
RFID radio frequency identification is a non-contact automatic identification technology, which automatically recognizes the target object and obtains relevant data through radio frequency signals. The identification work does not require manual intervention and can work in various harsh environments. RFID technology can identify high-speed moving objects and can identify multiple tags at the same time, and the operation is quick and convenient.
