DT311 Air Temperature 

and Humidity Sensor

DT311 is an advanced, configurable indoor air temperature and humidity sensor which is suitable for home, industrial room, greenhouse, cabinets and other occasions. 

Users can monitor air temperature and humidity remotely through built-in wireless module NB-IoT, LoRaWAN, Sigfox. 


LED indicator

Wireless Connectivity

Remote Monitoring

Open protocol

Low power consumption​ 

Battery powered or DC powered

Network Diagram

Sensor →Base Station/Gateway→Cloud Server→Application



Dimension : 80*80*38mm

Measuring range : Temperature, -30~+85℃ (Accuracy:±0.3℃); 

                                    Humidity, 0~90% (Accuracy: ±2%RH);

 Power Consumption : Upload ≤500mA; Detection≤50mA; Sleep≤10uA; 

Internal Battery : 1000mAh@ 3.7V Lithium Battery, Life time 10 days.

Recharge Interface : Micro-USB 500mA@5V 

Recharge LED : Red: not full battery; Blue: Full battery. 

Alarm LED : Program running, Red on; 

                      High temperature, Green flash; Low temperature, Green on;  

                      High humidity, Blue flash; Low humidity, Blue on.

Wireless : NB-IoT/LoRaWAN/Sigfox

Frequency :  NB-IoT : B3/B5/B8/B20/B28                                                                           

                       LoRaWAN :  CN470/EU868/AU915 /US915/AS923 etc                                             

                        Sigfox : RCZ1/RCZ2/RCZ3/RCZ4