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    NB-IoT DH100 Smart Door Monitoring Magnetic Sensor

    DH100 is a smart door magnetic detector, which can be used to detect the switch status of doors and windows; when the doors and windows are opened or closed, the information will be immediately transmitted to the cloud server through the built-in NB-IoT (narrowband Internet of Things) module. Users can observe status information remotely. The device uses a built-in battery to transmit data through the NB-IoT method, with high real-time performance and low power consumption. Support B1,B3,B5,B8,B20,B28 frequency etc, Due to the low power consumption algorithm, the internal battery can work for about 1 year (report 3 times a day).

    1. Detailed information