MD251 openat可编程gprs/gsm模块比较全面参考程序:包括(7bit/8bit/16进制)短消息收发，gprs tcp/udp数据传输框架,nvram存储参数读写,通过AT通道获取来电号码,小区cellid等, 可以快速的开发SMS/GPRS/CALL等移动应用程序。-MD251 openat demo

基于mtk平台的openAt开发环境，包括平台简介、软件架构、编译、下载、调试。-Mtk platform openAt development environment, including platforms introduction to software architecture, compile, download, debug.