An Assessment of RFID for Electronic Cargo Seals

Here is an overview of today's marketplace for electronic cargo seals. It describes the background of traditional cargo seals, then explains the rationale for electronic seals, the expectations of users, and the characteristics of such seals. Product matrices describe twenty electronic seals and locks offered by twenty-four firms. The products represent four technologies--Radio Frequency Identification (RFID), infrared, remote communications, and very short range or contact technologies. Market status ranges from active development through established use.