Radio Frequency Identification (RFID) is the attachment of transponders (which may be read only or read/write) to products, as an alternative to linear bar codes, to enable product identification some distance from the scanner or when out of line of sight.
Radio Frequency Identification (RFID) refers to the small electronic device that consists of a small chip and an antenna.
It serves the same purpose as the barcode or the magnetic strip on the back of the credit card or ATM card.
It identifies the object on the basis of the unique identifier of that object.
It is used for the identification of the objects, people or inventory management and are generally used at homes and offices etc.