The GPRS network connects to an external network (like the Internet) using a GGSN (Gateway GPRS Support Node).
GPRS网络使用GGSN (GPRS网关支持节点)连接到一个外部网络(例如Internet)。
To support these tasks, the thesis discusses the design of the GPRS communication module, the RS485 communication module, the IrD communication module, the tinier module and the FLASH module.
为了支持这些功能，又介绍了网络模块、485串口通讯模块、定时器模块、闪存模块、中断模块等底层驱动的设计。
Application processor through the at command set and functionality with GPRS wireless communication module, in order to achieve the application of the network provides a bottom support.
应用处理器通过AT命令集与带gprs功能的无线通讯模块通信，为实现网络的应用提供了一个最底层的支持。
Application processor through the at command set and functionality with GPRS wireless communication module, in order to achieve the application of the network provides a bottom support.
应用处理器通过AT命令集与带gprs功能的无线通讯模块通信，为实现网络的应用提供了一个最底层的支持。
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