


Nowadays, the large demands of mobile UHF RFID handheld reader system promoted the research and evolution of the RFID reader and tag quickly as the UHF RFID product in 860~960MHz frequence is more likely to become a valued field with long reading distance. Internationally, there is the discussion of the RFID technology and application, the product innovation and the increasing perfect international standards, which marked the RFID technology from the bud to the maturity.