SIM 300C现在主流的GPRS 芯片， 应用于传输定位信息， 培训演示资料-SIM 300C now mainstream GPRS chips, used in transmission location information, training, presentation of information

GPRS 服务器IP 与路由设置说明在SIM 卡开通GPRS 服务后，GPRS 控制卡每次上电都会根据已经设置 好的登陆方式、服务器IP、端口号进行远程自动连接到服务器软件-GPRS Server IP and routing setup instructions in the SIM card GPRS service after, GPRS control card will be based on each power has set a good landing approach,

能够学会使用AT指令对SIM卡进行配置，使其能够实现GPRS的数据传输。(Can learn to use the AT instruction to configure the SIM card, so that it can realize the data transmission of GPRS.)