For retailers and the other vertical industries, radio frequency identification (RFID) tags present enormous opportunities to improve supply chain operations, since real-time inventory control, tracking, and alerting capabilities could be very important advantages of RFID. As tagged inventory goes through ports, terminals, freight forwarders, and into a distribution center, the RFID tag should provide near real-time visibility of an item's whereabouts at all times.
technology's current imperfection level. RFID technology consists of tags or transponders, which transmit electronic product codes (EPCs) and communicate wirelessly to other devices over radio frequency (RF) waves. Attached to physical objects, including the actual product as well as the cartons, pallets and containers in which they are shipped, the tags should uniquely identify the items, as readers communicate with the tag via RF. In a distribution center (DC), once within range of a reader, the data