... GSM/GPRS/RTU Water Level /Rainfall Data Acquisition/Collector/Logger 1. multi communication 2. storage function Hydrological Telemetry Terminal Apparatus—Wireless GSM ... /GPRS/RTU Water Level /Rainfall Data Acquisition/Collector/LoggerIntroduceIt is ... collect, deal and storage hydrological multi-parameter data, which applies communication, telemetry, and computer ...