SenseCAP S2103 LoRaWAN® CO², Temperature, Humidity Sensor (EU868)

SenseCAP S2103 LoRaWAN® CO², Temperature, Humidity Sensor (EU868)

• Integrated CO2, Temperature, and Humidity Sensing
• Long-Range LoRaWAN Connectivity
• High-Precision NDIR CO2 Measurement
• IP66 Waterproof and Dustproof Rating
• Wide Operating Temperature Range

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Product Description

The SenseCAP S2103 LoRaWAN® CO2, Temperature, and Humidity Sensor from Seeed Studio is a comprehensive environmental monitoring solution. It is designed for a variety of applications including smart farming, smart cities, and industrial carbon detection solutions. This battery-powered, IP66 wireless sensor can measure CO2 levels, air temperature, and humidity, making it a versatile tool for both indoor and outdoor air quality monitoring.


  • LoRaWAN® Network Compatibility: Compatible with various types of LoRaWAN® gateways and supports universal frequency plans from 863MHz to 928MHz.
  • Wireless Long Range Communication: Boasts an ultra-wide transmission range of 2 km in urban scenes and 10 km in line-of-sight scenes.
  • Battery Powered for Extended Use: Operates on a standard Li-SOCl2 battery with a maximum life of 10 years, reducing the need for frequent battery replacements.
  • Durable and Robust Design: Suitable for outdoor use and harsh environments with an operating temperature range of -40℃ to 85℃ and an IP66-rated enclosure.
  • Built-in Bluetooth for Easy Configuration: Includes an App tool for over-the-air (OTA) configuration and remote device management.
  • High-Performance Sensor: Measures CO2 (400 to 10000 ppm), air temperature (-40 to +85 °C), and humidity (0 to 100 %RH) with high accuracy.


The sensor is ideal for various applications, including:

  • Poultry Farm and Livestock Shed Monitoring
  • Greenhouse Environment Monitoring
  • Indoor Air Quality Monitoring
  • Industrial CO2 Emission Monitoring

Technical Specifications

  • CO2 Measurement Range: 400 to 10000 ppm
  • Air Temperature Measurement Range: -40 to +85 °C
  • Air Humidity Measurement Range: 0 to 100 %RH
  • Battery Life: Up to 10 years (varies based on usage)
  • IP Rating: IP66
  • Communication Distance: 2 to 10 km depending on the environment
  • Certifications: CE / FCC / RoHS

The SenseCAP S2103 LoRaWAN® CO2, Temperature, and Humidity Sensor is an efficient and reliable solution for long-term environmental monitoring in a wide range of applications, offering ease of installation, durability, and precise data collection​.

Product Downloads

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
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

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

General Return Policy

We have a 30-day return policy, which means you have 30 days
after receiving your item to request a return.

To be eligible for a return, your item must be in the same
condition that you received it, unworn or unused, with tags, and in its
original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If
your return is accepted, we’ll send you a return shipping label, as well as
instructions on how and where to send your package. Items sent back to us
without first requesting a return will not be accepted.

For any further information, help and support regarding the
shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +357 22 282828