Features:
l NB-IoT uses standard ER26500 battery solution, with a life of more than 8 years.
l NB-IoT supported working band: 700\850\900\1800MHz or NB-IoT band supported by local operators, no need to apply for frequency points.
l Supports infrared parameter configuration and upgrade, and reports in key/magnetic trigger mode.
l High protection level, IP68 protection level.
l Module functions: including metering, antimagnetic interference, power supply voltage detection, metering value off power storage function, valve position switch status detection, valve control circuit, automatic dredge valve.
l Easy installation, high reliability and strong expansibility.