AMR System use MBUS,RS485,PLC,Wireless automatically collect data for gas/power/water meter remotely CDMA, ... GPRS communication AMR system/AMI System/MBUS,RS485,PLC,Wireless AMR System with CDMA or GPRS Communication is applied to ... : can connect with infrared alarm, wire magnetometer, emergency button and smoke detector etc, and realize security prevention by wireless deployment;5. Information ...