Abstract: This paper mainly introduces a remote monitoring system, which accomplishes remote data transfer by the technique of GPRS based on GSM network. The hard core of this system GPRS has so many advantages such as always on-line, logging on promptly, charging on quantity, switching freely and so on that it ensures the stability and greatly reduces the investment and running expenditure.

Key words: GPRS; SCM; Monitoring system; Protocol

摘要： 介绍了一基于GSM 网络的GPRS 网络通信技术实现远程数据传输，从而实现远程水位实时监控功能的系统。该系统的核心部分GPRS 具有永远在线、快速登录、按量收费和自由切换等优点，保证了系统的稳定性，并且大大减少了系统的建设投资和运营费用。

关键词: GPRS；单片机；监测系统；协议