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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 75.3
edited by Xiaoling
on 2023/06/13 13:40
Change comment: There is no comment for this version
To version 75.4
edited by Xiaoling
on 2023/06/13 13:41
Change comment: There is no comment for this version

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19 19  
20 20  = 1. Introduction =
21 21  
22 -== 1.1 What is LoRaWAN Distance Detection Sensor ==
22 +== 1.1 What is LoRaWAN Ultrasonic liquid level Sensor ==
23 23  
24 24  
25 25  The Dragino DDS20-LB is a **LoRaWAN Ultrasonic liquid level sensor** for Internet of Things solution. It uses **none-contact method **to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server