Ambience Monitoring Sensor
Indoor Air Quality (IAQ) Monitoring
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3 Sensors in 1:
CO2 & Humidity & Temperature -
Vivid Emoticon Indication
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Traffic Light Status Indicator
Milesight 47,000 LoRaWAN IAQ Sensors in Canadian Schools
Success Story
With province-wide LoRaWAN IAQ solution deployment, students and staff in Quebec’s public schools are now in a healthier learning environment with more helpful insights. Check how Milesight has made it happen!
Ensuring Health of Occupants Everywhere



Easy and Comfy
Seeing CO2 DirectlyMonitor and display real-time data on what matters in your indoor air quality.


- Traffic Light Status Indicator
- Emoticon Indication






* Think about opening windows or consider ventilation.
* Excellent air quality.
* Open windows or turn on ventilation immediately.
3 Sensors in 1
Built-in high accuracy sensors to track the invisible elements of the air to ensure comfort at every moment.
Indoor Air Quality (IAQ) Solution
At Milesight, we help you and your people to live in a safer and healthier facilities. Towards that end, real-time data about air quality is essential. And that starts with our LoRaWAN IAQ sensors and one-stop solution for indoor air quality (IAQ).
Compact Design
that Fits Your Need
- Light/Dark Color Theme
- With E-Ink Screen
AM103
AM103L
- Without E-Ink Screen
- Longer Battery Life
*When AM103 detects the temperature beyond the range from 0°C to 40°C, the screen will turn off automatically.
The data will be updated in the background.



LoRaWAN® Based
AM103/AM103L is compatible with industry-standard LoRaWAN® gateways with a range of up to 2 km in urban areas and 15 km in rural areas.
Low Power Consumption
Smart Screen Mode
When the current collected value is close to the last value*, the screen will stop updating to save power.
* When the reading is within a certain range (tem ≤ ±0.5°C and hum ≤ ±3% and CO2 ≤ ±50 ppm).
** If the screen stops updating for 10 minutes, it will update data automatically.


Multi-Year Battery Operation
*2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries (10 min interval).
Easy Configuration
Switching on/off and configuring the device via NFC technology from mobile phone or PC
1st Step
Install the Milesight Toolbox.
2nd Step
Enable NFC and run Toolbox,
Attach your phone to the device
3rd Step
Verify the password and
start configuring.
Installation in Better Ways
Wall Mounting
Fixed by 3M Tape

Milesight IoT Cloud
- Monitoring ambience conditions at any time anywhere
- Interactive collaboration with Milesight IoT sensors to realize scene-based automation
- Android & iOS versions allow you to manage devices at your fingertips
Related Products
Specifications | Documents
Wireless Transmission | Technology | LoRaWAN® |
Frequency | CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4 | |
Tx Power | 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz) | |
Sensitivity | -137dBm @300bps | |
Mode | OTAA/ABP Class A | |
Sensors | Temperature | |
Range | -20°C to + 70°C | |
Accuracy | 0°C to + 70°C (+/- 0.3°C), -20°C to 0°C (+/- 0.6°C) | |
Resolution | 0.1°C | |
Humidity | ||
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) | ||
Range | 400 to 5000 ppm | |
Accuracy | ± (30 ppm + 3 % of reading) | |
Resolution | 1 ppm | |
Display & Configuration | Display | AM103: 2.13-inch Black & White E-Ink Screen |
AM103L: Not Support | ||
Button | 1 × Power Button | |
LED | 1 × Traffic Light Status Indicator | |
Configuration | Mobile App via NFC | |
Physical Characteristics | Power Supply | 2 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries |
Battery Life | AM103: Around 3 Years | |
(10 min interval) | AM103L: Around 4 Years | |
Operating Temperature | -20°C to +60°C (E-Ink Screen: 0°C – 40°C) | |
Relative Humidity | 0% to 95% (non-condensing) | |
Ingress Protection | IP30 | |
Dimension | 68 × 65 × 20.5 mm (2.68 × 2.56 × 0.81 in) | |
Installation | Wall Mounting |