Abstract: This article introduces the GPRS mobile telephone designing method based on wireless module and MCU. On the basis of a brief description of the national actuality concerning the GRPR mobile telephone R&D, the author gives the system’s schematic. This article also presents hardware and software design of the system, which provides some hints for the R&D engineer on the GPRS mobile telephone designing.

Key words: wireless module, MCU, GPRS mobile telephone, wireless module, MCU