... automatically collect data for gas/power/water meter remotely CDMA,GPRS communication AMR system/AMI System/MBUS,RS485,PLC,Wireless ... deployment;5. Information storage and inquiry: can collect other kind of data ,including security alarm, emergency assistance, gas leakage, and ... system more secure.3. PracticabilityWe make a new type of concept of the system with strong operation, which has alarm and ...