RFID: Radio Frequency Identification
RFID is an automatic identification method which has become widely used in numerous fields of application in recent years. It is a contactless communication technology that transmits information for the identification of persons, animals, goods and merchandise. The use of RFID enables many new applications that could not be realized with conventional identification systems.
An RFID system consists of a data carrier (called transponder or TAG) and a read/write device with an antenna. RFID works with weak, electromagnetic waves, which are emitted by a reader. If a transponder is brought into the range of this antenna, information can be read contactlessly from the memory of the transponder or data can be stored on it.
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