Dragino LHT52 User Manual

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LHT52 Temperature & Humidity sensor 12 / 40
Sub-Band: value 0x00 ~ 0x08(only for CN470, AU915,US915. Others are0x00)
BAT: shows the battery voltage for LHT52.
Ex1: 0x0B3A = 2874mV
Use can also get the Device Status uplink through the downlink command:
Downlink:0x2301
2.4.2 Uplink FPORT=2, Real time sensor value
LHT52 will send this uplink after Device Status uplink once join LoRaWAN network successfully.
And it will periodically send this uplink. Default interval is 20 minutes and can be changed.
Uplink uses FPORT=2 and every 20 minutes send one uplink by default.
Size(bytes)
2
2
2
1
4
Value
Temperature
Humidity
External
Temperature
Ext #
Unix TimeStamp
Temperature:
Example Payload (FPort=2):
08 CD 02 20 7F FF 01 61 CD 4E DD

Dragino LHT52 Specifications

General

Brand	Dragino
Model	LHT52
Category	Accessories
Language	English