Radio Frequency Identification
This is the Tacoma Public Library definition of the new system that will be installed while they remain closed for the next two weeks: "RFID is a data collection technology that relies on radio waves to automatically identify items - which in the case of the library includes books, CDs, DVDs, videos, etc. The technology transfers data from an RFID tag to a reader and then to the library's circulation database. An RFID tag is placed on every library item with the barcode number of that item stored on the tag. RFID readers are placed at staff workstations, self check machines, and built into security gates. When the tagged item is placed near a reader, the barcode of that item is sent to the library's circulation system and the item is checked in or out."
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