±2 tag LAN cloud 3 years attempt accuracy software data loss timestamp external UPS Data Storage power failure allegianceindia daily flow data system enclosure CGWA) guidelines LoRa WAN Cellular maximum flow rate Data transmission Proper mechanical Communication Type electronic sealing Metering Technology unauthorized access operating flow range internet connectivity Allegiance Enterprise 2 daily transmissions weak cellular signals Replaceable batteries telemetry system units Battery-operated meters GPRS/3G/4G) Power Source Digital Water Flow Meter Electromagnetic flow meter Allegiance Water Management Telemetry System Requirements Central Ground Water Authority