... water meter remotely CDMA,GPRS communication AMR system/AMI System/MBUS,RS485,PLC,Wireless AMR System with CDMA or GPRS Communication is ... it can control the gas resources securely and reliably from far away2. ReliabilityWith HUB485 and 7510 equipments are used to realize ... and store the data, by this way ,system can protect the data effectively and mak the system more secure.3. PracticabilityWe make a ...