Freezer temperature and humidity sensor AN-103C

AN-103C is a wireless freezer temperature and humidity collection unit independently developed by Winext Technology based on the LoRaWAN standard communication protocol, which integrates data collection and monitoring. The product integrates a temperature and humidity sensor chip, which has the characteristics of high detection accuracy, stable performance, small size, low power consumption, and long signal transmission distance. Widely used in temperature and humidity monitoring of home appliances, medical care, automobiles, weather, security, etc.

Model : AN-103C
Frequency band : Frequency band : EU863-870MHz; AU915-928MHz; US902-928MHz; AS923; CN470-510MHz; RU864-870MHz, IN865-867MHz
Brand : Winext
Dimension : 88mm*81mm*36mm



  • Based on standard LoRaWAN™ protocol

  • Temperature measurement range -30°C~+80°C, accuracy ±0.5°C

  • Humidity measurement range 0-99%RH, accuracy ±3%RH

  • DC 12V power supply, support power failure alarm

wireless performance:

  • Working frequency:CN470/EU868/US915/AS923/AU915MHz

  • data transfer rate:300bps~5.4Kbps

  • Maximum transmit power:19dBm

  • Receiver sensitivity:-141dBm (SF12)

working environment:

  • Operating temperature:-10℃~+55℃

  • Working humidity:0%~99%RH (non-condensing)

  • Sensor temperature detection range:-30℃~+80℃

  • Sensor humidity detection range: 0%~99%RH

Electrical Specifications:

  • Power supply: DC 12V 1A

product specification:

  • sensor:Temperature and humidity sensor

  • Temperature Measurement Accuracy:±0.5°C

  • Humidity Measurement Accuracy:±3%RH

  • Sensor cable length:2m