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LoRaWAN Door Sensor User Manual      12  /  24 
Example:   
 
 
Example Payload Decoder in TTN V3:   
http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS02/Payload/ 
 
 
 
4.4 Downlink Payload   
 
Downlink Control Type  Type Code  Downlink payload 
size(bytes) 
TDC (Transmit Time Interval—Keep Alive Interval)  0x01  4 
RESET  0x04  2 
Set confirmed mode  0x05  2 
Clear Counting  0xA6  2 
Enable/Disable Alarm  0xA7  2 
Control ADR/DR  0xA8  3 
Set Alarm Timeout  0xA9  4