上海展迅模块的AT指令集，中文的，做通讯的朋友会用得上，也可以参考一下-Shanghai Exhibition Motion Module AT command set, the Chinese, so the communication will be useful friends, but also for reference

欧姆龙hostlink通讯协议CS-CJ通讯命令手册pdf官方原版(hostlink for cs/cj com pdf document)