Radio-frequency identification (RFID)

Baggage tags equipped with radio-frequency identification (RFID) will soon be available at Delhi’s Indira Gandhi International Airport, marking a first of its kind for the country.
Radio-frequency identification (RFID) is a technology that uses radio waves to automatically identify various tagged objects. Radio Frequency Identification (RFID) is a wireless tracking method that uses tags and readers to track objects.
Transponder, receiver, and transmitter are the three components of an RFID system.
The RFID reader continually sends radio waves of a specific frequency in RFID system. If the object to which the RFID tag is attached is within the range of the radio waves, it provides feedback to the RFID reader, which then identifies the object based on the feedback.

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