Milesight Indoor Air Quality Sensor


Milesight’s AM103 and AM103L indoor air quality sensors combine 3 sensors in 1, enabling you to monitor CO2, humidity and temperature.

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Milesight‘s AM103 and AM103L IAQ sensors combine 3 sensors in 1, enabling you to monitor CO2, humidity and temperature. Featuring a traffic light status indicator, this smart device makes it easy to ensure indoor comfort. The AM103, also features a vivid on screen emoticon indicator for users to easily identify conditions.

Ideal for Smart Buildings, Offices and classrooms, this IAQ sensor offers a compact device which makes it easy to identify indoor environmental conditions.

Utilising LoRaWAN® technology, data recorded by the AM103 and AM103L can also be transmitted by a connected LoRaWAN® gateway and LoRaWAN® network ready to be visualised on your chosen platform or through Milesight’s IoT Cloud solution.


  • Combines multiple sensors in one to help you build a better picture of indoor environments
  • Data can be easily seen by users on the sensors E-ink screen
  • Equipped with a traffic light indicator to signal multi-level CO2 threshold alarms
  • Built-in NFC for easy configuration


Temperature Sensor

Range -20°C to 70°C
Accuracy 0°C to70°C (+/- 0.3°C), -20°C to 0°C (+/-0.6°C)
Resolution 0.1°C

Humidity Sensor

Range 0% to 100% RH
Accuracy 10% to 90% RH (± 3%), below 10% and above 90% RH (±5%)
Resolution 0.5% RH

Carbon Dioxide (CO2) Sensor

Range 400 to 5000 ppm
Accuracy ± (30 ppm + 3% of reading)
Resolution 1 ppm

Key documents & information

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on shipping costs, trade pricing and lead times, please contact our team.

Our technical sales team are also happy to advise customers on the best LoRaWAN® IAQ sensors for their specific applications on an individual project basis.

Shipping available across Europe
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Additional information

Dimensions 68 × 65 × 20.5 mm



Environmental Protection


Measurements Taken

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Power Source





AM103, AM103L

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