Milesight Sensor AM319-868M
Milesight AM319 is an indoor air quality sensor that measures nine parameters including temperature, humidity, CO₂, and particulate matter. It displays results on a 4.2” E-Ink screen with clear indicators and transmits data via LoRaWAN technology for long-range, low-power communication.
General configuration
Overview
For sensor configuration, use the Milesight ToolBox mobile application, available on both:
- Apple App Store: https://apps.apple.com/us/app/milesight-toolbox/id1518748039
- Google Play Store: https://play.google.com/store/apps/details?id=com.ursalinknfc&hl=en&pli=1
QR code – Milesight ToolBox
Installation and configuration
- Configuration is done via NFC.
- After reading the device, go to the Basic Information tab to update the Device Time.
- Setting the correct date and time is required for all devices.
LoRaWAN connection
- Devices are preconfigured with an AppKey for OTAA (default values are listed in the user manual).
- The gateway must be set to Public. If the gateway is configured as Private, devices will not be able to join the network.
Power supply
| Type | Value |
|---|---|
| Power | USB-C or battery |
LoRaWAN configuration
| Parameter | Value |
|---|---|
| LoRaWAN version | 1.0.3 |
| Work mode | Class C |
| Join type | OTAA |
| AppEUI | 24E124C0002A0001 |
| AppKey | 5572404C696E6B4C6F52613230313823 |
Data Encoding & Decoding
| Type | GitHub Link |
|---|---|
| Decoder | View decoder |
| Encoder | View encoder |
| Codec | View codec |
Technical Specifications
| Parameter | Value |
|---|---|
| Wireless Transmission | |
| Technology | LoRaWAN® |
| Antenna | Internal Antennas |
| Frequency | CN470 / RU864 / IN865 / EU868 / US915 / AU915 / KR920 / AS923-1&2&3&4 |
| Tx Power | 16 dBm (868MHz) / 22 dBm (915MHz) / 19 dBm (470MHz) |
| Sensitivity | -137 dBm @300bps |
| Mode | OTAA / ABP Class C |
| Sensors | |
| Temperature | -20°C ~ 60°C, Accuracy ±0.2~0.3°C, Resolution 0.1°C |
| Humidity | 0% ~ 100% RH, Accuracy ±2% RH, Resolution 0.5% |
| Motion (PIR) | 80° H, 55° V, max 5m |
| Light | 0–60000 Lux (6 levels) |
| TVOC | IAQ rating 1–5 or 0–2000 μg/m³ |
| Barometric Pressure | 260–1260 hPa, Accuracy ±0.5 hPa |
| CO₂ | 400–2000 ppm, Accuracy ±(50 ppm + 5%) |
| PM2.5 & PM10 | 0–1000 μg/m³, ±10 μg/m³ (0–100) |
| Formaldehyde (HCHO) | 0–1.25 mg/m³, Accuracy ±10% |
| Ozone (O₃) | 0–10 ppm, Accuracy ±5% FS |
| Interfaces & Display | |
| Display | 4.2" E-Ink |
| Buttons | Power + Reset |
| LED & Buzzer | Status LED + Alarm buzzer |
| USB | Type-C (power/config/console) |
| Software | NFC / USB configuration, thresholds, calibration, data storage (18k entries) |
| Physical Characteristics | |
| Power Supply | 5V/1A (USB-C) |
| Operating Temp | -20°C ~ +60°C (E-Ink: 0°C–40°C) |
| Housing | ABS, White |
| Dimensions | 100.8 × 114 × 22 mm |
| Weight | 148 g |
| Installation | Wall mount (3M tape or screws) |
| Approvals | CE, FCC, ISED, RoHS |
Integration resources and distribution links
| Resource | Link |
|---|---|
| HARDWARIO Store | https://www.hardwario.store/p/milesight-am319 |
| Official page | https://www.milesight.com/iot/product/lorawan-sensor/am319 |