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LHT65 Temperature & Humidity sensor      36  /  56 
 
Downlink Command:   
No downlink command for this feature.   
 
3.6 Set to sleep mode   
Feature: Set device to sleep mode 
AT Command: AT+SLEEP 
Clear all stored sensor data… 
OK 
 
Downlink Command:   
➢  There is no downlink command to set to Sleep mode.  请确认 
 
3.7 Set system time 
Feature: Set system time, unix format. See here for formmat detail.   
AT Command:   
OK 
Set System time to 2021-01-20 00:59:12 
 
Downlink Command:   
0xA86007806000 // Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352 
 
3.8 Set Time Sync Mode 
Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), 
LoRaWAN server must support v1.0.3 protocol to reply this command.   
 
SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user 
need to set this to 0.   
 
AT Command: