3G 4G tag AMI day LAN UPS CGWA GPRS MeitY attempt 3 years systems minimum Accuracy Cellular LoRa WAN Batteries data loss guidelines web portal ultrasonic Electronics Borewell ID secure cloud Power Source Battery Life complete AMR The Ministry power failure metering data customer data allegianceindia 2 transmissions water flow rates system enclosure Cloud Integration Proper mechanical maximum flow rate Communication Type Local Area Network Metering Technology Tamper-Proof Design following parameters operating flow range Allegiance Enterprise internet connectivity cloud service provider Transmission Frequency Telemetry system units Information Technology Battery-operated meters Automatic Meter Reading Technical Specifications Digital Water Flow Meters electromagnetic technology Electromagnetic Flow Meter Allegiance Water Management Low Power Wide Area Network uninterruptible power supply The Data Management Software communication/telemetry data Automatic Meter Infrastructure Central Ground Water Authority electronic sealing arrangements following communication methods groundwater extraction monitoring Timestamp Cumulative forward flow volume Cumulative reverse flow volume Cumulative net volume Cumulative pump working hours Meter serial number Device last calibration date