Security Anti Theft RFID library 860MHZ 960MHZ UHF Library RFID Gates are strategically placed at the entrance and exit of the library, forming a gate-like through. Each Book, newspaper, audio and video CD·, etc. in the library is equipped with an RFID tag that contains a unique identifier.When a person carrying an item with an RFID tag attempts to leave the library without proper checkout, the antennas detect the tag's presence. The gate system then triggers an alarm, alerting library staff to the potential theft.