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Seeed Studio LoRaWAN® SenseCAP S2103 CO2, Temperature, and Humidity Sensor


A battery-powered IP66 wireless CO2, air temp and humi sensor, range from 400 to 10000 ppm, -40°C to 85°C, and 0 to 100 %RH, equipped with built-in Bluetooth and APP service for OTA configuration and remote device management. Used in smart farming, smart yard, smart city, and industrial carbon detection solutions.

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Key Features:

SenseCAP Portal is a web service to enable users to manage SenseCAP devices and view data through the web.

  • Bind and manage all devices in one account
  • Includes Dashboard, Device Management, Data Management, and Access Key Management
  • Provides MQTT and HTTP API to users for further development
  • SenseCAP Mate is a powerful APP for data visualization and remote device management.


Range 400 to 10000 ppm
Accuracy ±(30 ppm +3% of reading) (extended range ±10% of reading)
Resolution 1 ppm
Air Temperature
Range -40 to +85 °C
Accuracy ±0.2 °C
Resolution 0.01 °C
Long-term Drift <0.03 °C/year
Air Humidity
Range 0 to 100 %RH
Accuracy ±1.8 %RH
Resolution 0.01 %RH
Long-term Drift <0.25 %RH/year
General Parameters
Product Model S2103
Microcontroller Wio-E5
Support Protocol LoRaWAN v1.0.3 Class A
Built-in Bluetooth App Tool to change parameters
LoRaWAN Channel Plan IN865/EU868/US915/AU915/AS923/KR920/RU864 *
Max Transmitted Power Sensitivity 19dBm
Sensitivity -136dBm@SF12 BW=125KHz
Communication Distance 2 to10km (depending on gateway antenna and environments)
IP Rating IP66
Operating Temperature 0 to +50 °C ( Effective measurement range of CO2)
-40 to +85 °C (CO2 module not included)
Operating Humidity 0 to 90 % RH (non-condensing)
Device Weight 285g
Certification CE / FCC / RoHS
Battery (Contained in equipment)
Battery Life Up to 10 years**
Battery Capacity 19Ah (non-rechargeable)
Battery Type Standard D-size SOCl2 Battery
Product Details
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