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

此功能可以在MTK平台上通过TCP/IP协议递交HTTP请求，服务器通过下发数据，实现了整个GPRS连接流程-This feature allows TCP/IP protocol on the MTK platform to submit an HTTP request, the server issued the data, the entire GPRS connection process

C语言，tcp协议下实现微语音长传、下载、播放。及实现一对一，一对多聊天。-C language, realize micro language, download and playback duration under the TCP agreement. And to achieve one to one, one to many chat.

mtk7681平台 用户编程手册介绍。联发科mt7681是一个紧凑的Wi-Fi片上系统（SoC）和嵌入式TCP/IP协议栈物联网设备。通过添加mt7681到物联网设备可以连接其他智能设备或云应用程序和服务(The MediaTek MT7681 is a compact Wi-Fi System-on-Chip (SoC) with embedded TCP/IP stack for IoT devices. By adding the MT7681 to an IoT device it ca