HAC-ML contains measurement, detection, data saving, valve control, can fit for different kinds of meters.

HAC-ML LoRa Low Power Consumption wireless AMR system (hereafter called HAC-ML system) combines data collection, metering, two-way communication, meter reading and valve control as one system. The features of HAC-ML are shown as follow: Long Range Transmission, Low Power Consumption, Small Size, High Reliability, Easy Expansion, Simple Maintenance and High Successful rate for meter reading. By using TDMA communication mode, HAC-ML system can synchronize the communication time unit automatically. By using frequency hopping technology, HAC-ML system can avoid Co-channel interference and enhance the transmission reliability. By using the auto adaptive algorithm, it enhances the system capacity of HAC-ML system effectively. 

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