SIM300D相关论文
The GPRS communication system discussed in this paper which uses S3C2410 A embedded microprocessor as main unit and SIM3......
针对无线EPA接入设备中蓝牙、ZigBee等无线通信技术传输距离短、不利于远程监控的缺点,设计了基于GSM功能的无线EPA接入设备。考虑......
