Radio frequency identification systems tag items with small antennas and electronics, allowing nearby readers to track their movements via radio waves. These RFID systems are especially useful for quick identification of the contents of a shipping pallet, inventory on a shelf in a warehouse, and for secure checkout. While the technology has many benefits, industry groups and suppliers of competing technologies have highlighted some disadvantages, and are working to develop alternatives that address these issues. Other technologies are often better suited for specific applications. Writer Bio
