NB-IoT
- DC400_Smart_Manhole_NB-IoT_Datasheet_V2.5
- File Size：866.5 Kb：0Update Time：2020/10/15
- DC400Smart Manhole Sensor_NB-IoT_User's Manual_V2.0
- File Size：1.06 Mb：0Update Time：2020/10/15
- DC400Smart Manhole Sensor_NB-IoT_Configuration Manual_V2.0
- File Size：1.06 Mb：0Update Time：2020/10/15