做过的一个GPRS数据传输的项目，CPU用ATMEGA128，GPRS模块用MC55，通过RS232获取现场其他仪表数据，然后通过GPRS传输到服务器-Done a GPRS data transmission project, CPU with ATMEGA128, GPRS module with MC55, through the RS232 access to other on-site instrument data, and then transmitted to the serve