RFID
Radio Frequency Identification (RFID) is a technology that uses radio waves to passively identify a tagged object. It is used in several commercial and industrial applications, from tracking items along a supply chain to keeping track of items checked out of a library.
RFID tags
RFID tags are a type of tracking system that uses smart barcodes in order to identify items.
RFID scanners
RFID technology allows several items to be quickly scanned and enables fast identification of a particular product, even when it is surrounded by several other items.