西门子MC39I模块指令集，操作gprc modem上网，发送mms-Siemens MC39I module instruction set, operation gprc modem Internet access, send mms

基于EE10M GPRS MODEM设备的彩信开发流程 简单的AT指令即可实现彩信的收发删除 -Based on EE10M GPRS MODEM equipment MMS development processes Simple instructions can be realized AT the MMS and delete