ppp点对点协议，用于二次开发，实现无线上网功能。

The+NMEA+0183+Protocol.pdf 这是GPS编程必须要清楚的NMEA 0183协议的英文资料，希望对GPS开发人员有帮助-The+ NMEA+0183+ Protocol.pdf This is a GPS program must be clear NMEA 0183 protocol information in English, GPS developers want to help

我在项目开发过程中搜集的各种NMEA协议文档，用于开发各种与GPS相关的项目。-I am in the project development process to collect a variety of NMEA protocol document for the development of a variety of GPS-related projects.

基于互联网的通信的模块代码，主要是应用BORLANDC++进行开发的，基于UDP协议进行通信。-Internet-based communications module code, the main applications are BORLANDC++ for development, based on the UDP protocol to communicate.