rfid reader definition

RFID reader, also known as “RFID reader-writer”, refers to radio frequency identification device that is used to automatically identify targets and gain related data through radio frequency signal. That is to say, RFID reader can automatically identify fast moving objects and recognize multiple RFID tags without human intervention. In general, RFID reader can be designed as fixed and handheld shape, including low frequency, high frequency, and ultra high frequency, active and so on.