LoRaWAN® AM103L CO₂, Temperature & Humidity Sensor – Milesight
 General Description
 The Milesight AM103L is an ultra-compact LoRaWAN® environmental sensor designed to accurately measure carbon dioxide (CO₂), ambient temperature, and humidity. Its screen-free design features low power consumption, up to 4 years of battery life, and easy setup via NFC. It's ideal for monitoring indoor air quality in sensitive environments.
 Targeted Applications
-  Indoor air quality control
 
-  Schools, offices, meeting rooms
 
-  Smart buildings and energy management
 
-  Environmental IoT solutions
 
 Highlights
-  Accurate CO₂ measurement (400 to 5000 ppm)
 
-  Built-in temperature and humidity sensors
 
-  Multi-band LoRaWAN® transmission, NFC configuration
 
-  Battery life up to 4 years with replaceable batteries
 
-  Simple wall mounting
 
 Technical Specifications 
|  Transmission | 
|  Technology | 
 LoRaWAN® | 
|  Supported frequencies | 
 CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4 | 
|  Transmit power | 
 16 dBm (868 MHz), 22 dBm (915 MHz), 19 dBm (470 MHz) | 
|  Sensitivity | 
 -137 dBm @ 300bps | 
|  Mode of communication | 
 OTAA / ABP – Class A | 
|  Sensors | 
|  Temperature | 
 -20°C to +70°C, ±0.3°C (0 to +70°C), ±0.6°C (-20 to 0°C), resolution 0.1°C | 
|  Humidity | 
 0% to 100% RH, ±3% (10-90%), ±5% (out of range), resolution 0.5% RH | 
|  CO₂ | 
 Range 400 to 5000 ppm, ±(30 ppm + 3% of reading), resolution 1 ppm | 
|  Interface & Configuration | 
|  Display | 
 Not supported | 
|  Button | 
 1 power button | 
|  LED | 
 1 3-color status indicator (traffic light type) | 
|  Configuration | 
 Via NFC mobile application | 
|  Physical Characteristics | 
|  Food | 
 2 × ER14505 Li-SOCl2 batteries (2700 mAh), replaceable | 
|  Autonomy | 
 Approximately 4 years (at 25°C, 10 min interval) | 
|  Operating temperature | 
 -20°C to +60°C | 
|  Relative humidity | 
 0% to 95% (non-condensing) | 
|  Protection index | 
 IP30 | 
|  Dimensions | 
 68 × 65 × 20.5 mm | 
|  Facility | 
 Wall mounting (screws or adhesive support not specified) | 
 Interfaces and Connectors
 The AM103L sensor has no physical connections. All communications are carried out via the LoRaWAN® network, and settings are made via NFC.
 Pack Contents
-  1 × Milesight AM103L Sensor
 
-  2 × ER14505 Batteries (pre-installed)
 
-  1 × Wall mounting kit
 
-  1 × Quick Start Guide