This paper studies the development of the Radio Frequency Identification(RFID) handset by using the RFID reader module and a PDA.It first gives a brief description of the hardware
the software development flow and the functional modules of the RFID checkpoint system.Then
it studies such key issues as communication interfaces and database synchronization in the course of the development.Finally
it makes a comparison between the newly developed RFID handset and the conventional ones.The results show that the former is characteristic of convenience
fastness and direct vision and improves work efficiency in applications.