Pepperl+Fuchs Blog

What is RFID?

Posted by Miles Walker on Mon, Feb 04, 2019


RFID, or radio frequency identification, uses radio waves emitted by a read head to read information stored on read tags. The read tags then transmit the identification information back to a reading device via a built-in antenna. There are 3 main types of RFID tag technologies that are used to transmit identification information—passive, semi-passive, and active.

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Topics: RFID, RFID tag, RFID head

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