GPRS模块的上位机服务器程序，可以帮助DPRS方面程序开发设计得指导。-GPRS module PC server program that can help DPRS areas designed to guide program development.

GPS/GALILEO接收机设计的很好参考，尤其是对于接收机芯片设计具有直接的指导作用-GPS/GALILEO receiver design of a good reference, especially for receiver chip design has a direct role in guiding

GPS,单片机设计，供参考。互相学习指导(GPS, single chip design, for reference. Mutual learning guidance)