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Milesight Sensor AM319

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.


ResourceLink
HARDWARIO Storehttps://www.hardwario.store/p/milesight-am319
Official pagehttps://www.milesight.com/iot/product/lorawan-sensor/am319
User Guidehttps://resource.milesight.com/milesight/iot/document/am300-series-user-guide-en.pdf
Datasheethttps://resource.milesight.com/milesight/iot/document/am319-datasheet-en.pdf

General configuration

Configuration is done via NFC using the Milesight ToolBox app.

For sensor configuration instructions, see 👉 General configuration.


LoRaWAN Network Options

For information about supported LoRaWAN network server platforms, see 👉LoRaWAN Network Options


LoRaWAN configuration

ParameterValue
LoRaWAN version1.0.3
Work modeClass C
Join typeOTAA
AppEUI/JoinEUI24E124C0002A0001
AppKey5572404C696E6B4C6F52613230313823

Data Encoding & Decoding

TypeGitHub Link
DecoderView decoder
EncoderView encoder
CodecView codec

Power supply

TypeValue
PowerUSB-C or battery

Technical Specifications

ParameterValue
Wireless Transmission
TechnologyLoRaWAN®
AntennaInternal Antennas
FrequencyCN470 / RU864 / IN865 / EU868 / US915 / AU915 / KR920 / AS923-1&2&3&4
Tx Power16 dBm (868MHz) / 22 dBm (915MHz) / 19 dBm (470MHz)
Sensitivity-137 dBm @300bps
ModeOTAA / ABP Class C
Sensors
Temperature-20°C ~ 60°C, Accuracy ±0.2~0.3°C, Resolution 0.1°C
Humidity0% ~ 100% RH, Accuracy ±2% RH, Resolution 0.5%
Motion (PIR)80° H, 55° V, max 5m
Light0–60000 Lux (6 levels)
TVOCIAQ rating 1–5 or 0–2000 μg/m³
Barometric Pressure260–1260 hPa, Accuracy ±0.5 hPa
CO₂400–2000 ppm, Accuracy ±(50 ppm + 5%)
PM2.5 & PM100–1000 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
Display4.2" E-Ink
ButtonsPower + Reset
LED & BuzzerStatus LED + Alarm buzzer
USBType-C (power/config/console)
SoftwareNFC / USB configuration, thresholds, calibration, data storage (18k entries)
Physical Characteristics
Power Supply5V/1A (USB-C)
Operating Temp-20°C ~ +60°C (E-Ink: 0°C–40°C)
HousingABS, White
Dimensions100.8 × 114 × 22 mm
Weight148 g
InstallationWall mount (3M tape or screws)
ApprovalsCE, FCC, ISED, RoHS