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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 84.5
edited by Xiaoling
on 2023/09/11 14:34
Change comment: There is no comment for this version
To version 84.6
edited by Xiaoling
on 2023/09/11 14:53
Change comment: There is no comment for this version

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300 300  == 2.1 Send data to IoT server via NB-IoT network ==
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303 -The S31-NB is equipped with a NB-IoT module, the pre-loaded firmware in S31-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by S31-NB.
303 +The DDS20-NB is equipped with a NB-IoT module, the pre-loaded firmware in DDS20-NB will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by DDS20-NB.
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305 305  
306 306  Below shows the network structure:
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308 -[[image:1692415924540-357.png]]
308 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/DDS20-NB_NB-IoT_Ultrasonic_Liquid_Level_Sensor_User_Manual/WebHome/image-20230911140426-2.png?width=951&height=320&rev=1.1||alt="image-20230911140426-2.png"]]
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311 311  There are two version: (% style="color:blue" %)**-GE**(%%) and (% style="color:blue" %)**-1D**(%%) version of S31-NB.