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LoRaWAN Door Sensor User Manual      2  /  24 
 
1.  Introduction .............................................................................................................................. 4 
1.1  What is LDS02 LoRaWAN Door Sensor ....................................................................................... 4 
1.2  Features ...................................................................................................................................... 5 
1.3  Applications ................................................................................................................................ 5 
1.4  Dimension ................................................................................................................................... 5 
1.5  Firmware Change log ................................................................................................................. 5 
2.  Power ON LDS02 ....................................................................................................................... 6 
3.  How to install LDS02 ................................................................................................................. 6 
4.  Operation Mode ....................................................................................................................... 7 
4.1  How it works? ............................................................................................................................. 7 
4.2  Example to join LoRaWAN network ............................................................................................ 7 
4.3  Uplink Payload .......................................................................................................................... 11 
4.4
  Downlink Payload ..................................................................................................................... 12 
4.5  Integrate with Datacake ........................................................................................................... 15 
4.6  Alarm Base on Timeout ............................................................................................................ 18 
4.7  LEDs .......................................................................................................................................... 19 
5.  Battery & How to replace ........................................................................................................ 20 
5.1  Battery Type and replace .......................................................................................................... 20 
5.2  Power Consumption Analyze .................................................................................................... 20 
6.  Use AT Command .................................................................................................................... 22 
6.1  Access AT Command ................................................................................................................. 22 
7.  FAQ ......................................................................................................................................... 23 
7.1  How to upgrade the image? ..................................................................................................... 23 
7.2  How to change the LoRa Frequency Bands/Region? ................................................................ 23 
7.3  Can I
 disable uplink for each event to save battery life? .......................................................... 23 
8.  Order Info ............................................................................................................................... 24 
9.  Packing Info ............................................................................................................................ 24