Features:
Based on standard LoRaWAN™ protocol
Temperature range: -10℃~+50℃, humidity range: 0-99%RH
Support high temperature and high humidity threshold alarm
Can be placed on a desktop or attached to a metal surface
wireless performance:
Working frequency:CN470/EU868/US915/AS923/AU915MHz
data transfer rate: 300bps~5.4Kbps
Maximum transmit power: 19dBm
Receiver sensitivity: -141dBm (SF12)
Electrical Specifications:
Power supply:Built-in rechargeable lithium battery
battery capacity:3.7V/3200mAh
Rated input:USB 5V/1A (need to bring your own adapter)
power interface:Micro USB interface
Sleep current:38uA
send current:≤120mA
receive current :≤8mA
product specification:
Temperature measurement range: -10°C~+50°C
Temperature Measurement Accuracy: ±0.2°C
Humidity measurement range: 0%~99%RH
Humidity Measurement Accuracy: ±2%