Information Technology

Gartner Glossary

Radio-frequency Identification (rfid)

Radio frequency identification (RFID) refers to an automated data collection technology that uses radio frequency waves to transfer data between a reader and a tag to identify, track and locate the tagged item. There are two basic categories of tags used for logistics and transportation: passive and battery-enabled. Passive tags collect the necessary energy from the antenna of the reader, which can be fixed or portable. Battery-enabled tags fall into two major groupings: battery-assisted passive (BAP) technology and active RFID tag technology.

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