RFID solution for retailers.

The article offers information on a technique that uses radio frequency identification (RFID) system to identify the retail price and related information for an item during the purchase and uses bar code for any item return or replacement. It stresses the necessity for a billing system to have the capability to support various payment mechanisms. Item validity checking, automatic billing, and automatic payment are included in the technique in terms of item purchase. The RFID reader supplies the data to the billing and validation system.