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Milesight  |  SKU: AM308-868M

Milesight AM308 & AM308L | 8-in-1 LoRaWAN Indoor Air Quality Sensor

€338,00
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The Milesight AM308 & AM308L is an 8-in-1 LoRaWAN indoor air-quality sensor.

  • 8-in-1: CO2, PM2.5/PM10, TVOC, temp, humidity, light and PIR
  • Easy to deploy: LoRaWAN Class A with NFC or USB-C setup
  • Clear feedback: optional 4.2-inch E-ink with buzzer and LED

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Description

The Milesight AM308 & AM308L are high-performance 8-in-1 LoRaWAN indoor air-quality sensors from the AM300 series, giving complete visibility into indoor environment quality. In a single unit they measure CO2, PM2.5, PM10, TVOC, temperature, humidity, light, and occupancy (PIR) — ideal for offices, classrooms, healthcare, and public buildings.

Both share the same sensor suite, a traffic-light indicator, and a buzzer for threshold alarms. The AM308 adds a 4.2-inch E-ink display with emoticon and traffic-light air-quality status at a glance, while the AM308L is a lower-cost, display-less version for back-end monitoring.

Core Capabilities

8-in-1 Air-Quality Sensing NDIR CO2 (400–5000 ppm), laser PM2.5 & PM10 (0–1000 μg/m³), TVOC, temperature (±0.2°C), humidity (±2% RH), light, and PIR occupancy — comprehensive IAQ from one device.
At-a-Glance Display & Alarms The AM308's 4.2-inch E-ink screen shows readings with emoticon and traffic-light air-quality levels; the AM308L omits the screen. Both include a traffic-light LED and a buzzer that sound when pollutants exceed the configurable alarm threshold.
Battery or USB-C, Smart Power-Saving Powered by 4 × 2700 mAh ER14505 batteries or USB Type-C (5V/1A). A smart screen mode pauses the display when the PIR detects vacancy for 20 minutes, extending battery life — around 1 year (AM308) and 1.5 years (AM308L).
NFC/USB-C Config & Cloud Configure tool-free via NFC (Milesight ToolBox app) or USB-C (PC software), with CO2 auto-background calibration. Integrates with Milesight IoT Cloud and the Development Platform, with on-device data storage and retransmission.

Typical Applications

Offices & Smart Workplaces: Monitor CO2, PM, and comfort to drive demand-based ventilation and improve productivity, with at-a-glance air-quality status on the AM308 screen.
Schools & Classrooms: Track CO2 and particulates to maintain healthy learning environments and inform ventilation scheduling across campuses.
Healthcare & Public Buildings: Maintain compliant air quality in waiting rooms, wards, and public spaces, with buzzer/LED alerts when thresholds are exceeded.
Building Management & HVAC: Feed multi-parameter IAQ and occupancy data into BMS/HVAC systems (via a LoRaWAN gateway) for energy-efficient, occupant-driven control.

Choosing Your Variant

AM308 AM308L
E-ink Display 4.2-inch (with emoticon) No display
Sensors 8-in-1 (identical) 8-in-1 (identical)
Buzzer & LED Yes Yes
Battery Life ~1 year ~1.5 years

Technical Integration

Key points for adding the AM308 / AM308L to your LoRaWAN network:

Connectivity: LoRaWAN® Class A (OTAA/ABP); EU868 (also CN470, US915, AU915, AS923, KR920, IN865, RU864).
Network server & platform: Integrates with Milesight IoT Cloud and the Development Platform; works with standard servers like The Things Stack and ChirpStack, and Milesight UG56/UG65 gateways.
Power: Four 2700 mAh ER14505 batteries or USB Type-C (5V/1A); a smart screen mode pauses the display when the room is vacant to extend battery life.
Configuration: Tool-free via NFC (Milesight ToolBox app) or USB-C (PC software); CO2 supports manual and automatic background calibration.
Mounting & environment: IP30 enclosure (100.8 × 114 × 22 mm) with 3M tape or wall screws; operates −20 °C to +60 °C (E-ink screen 0–40 °C).
Setup help: For deployment or gateway selection support, contact the shopioT technical team.

What's in the Box

1×AM308 / AM308L Device (batteries pre-installed)
1×Mounting Bracket
1×3M Double-Sided Tape
3×Wall Mounting Kits
1×Theft-Deterring Screw
1×Quick Guide
1×Warranty Card

Note: a USB Type-C cable & power adapter is available as an optional accessory. A LoRaWAN® gateway is required for data transmission and is sold separately.

Frequently Asked Questions

What's the difference between the AM308 and AM308L?

They share the same 8-in-1 sensors, buzzer, and traffic-light LED. The AM308 adds a 4.2-inch E-ink display (with emoticon/traffic-light status); the AM308L has no display and a longer battery life (~1.5 years vs ~1 year).

What does it measure?

CO2, PM2.5, PM10, TVOC, temperature, humidity, ambient light, and PIR occupancy — eight parameters in one device.

How is it powered?

By 4 × 2700 mAh ER14505 batteries or USB Type-C (5V/1A). A smart screen mode pauses the display when the room is vacant to extend battery life.

Does it need a LoRaWAN gateway?

Yes. It reports over LoRaWAN® (Class A) to a gateway and network server (e.g. The Things Stack, ChirpStack, or Milesight UG56/UG65). A gateway is sold separately.

How is the CO2 sensor calibrated?

It supports manual calibration and automatic background calibration (ABC) via the Milesight ToolBox app or downlink commands.

How is it configured and mounted?

Tool-free via NFC (mobile app) or USB-C (PC software); it mounts with the included 3M tape or wall screws.

Certifications

CE FCC IC (ISED) RoHS

Specifications
  • Primary Communication Protocol
    LoRaWAN
  • Frequency/Region
    EU868
  • Antenna Type
    Internal
  • LoRaWAN Class
    Class A
  • Radio & Range

    TX power: 16 dBm (EU868)

    Sensitivity: -137 dBm @ 300 bps

  • Interfaces (I/O)
    USB Type-C
  • Configuration Method
    NFC, USB
  • Activation Method
    OTAA, ABP
  • Monitoring Parameters
    Temperature, Humidity, Motion (PIR), Light Intensity (Lux), CO2 (Carbon Dioxide), TVOC (Total Volatile Organic Compounds), Barometric Pressure, PM2.5 (Particulate Matter), PM10 (Particulate Matter)
  • Measurement Technology

    Temperature and humidity: digital CMOSens® (MEMS)

    Motion: passive infrared (PIR)

    Light: photodiode

    CO2: NDIR

    TVOC: MOX (MEMS)

    Barometric pressure: piezoresistive absolute (MEMS)

    PM2.5/PM10: laser scattering

  • Measurement Range

    Temperature: -20°C to +60°C

    Humidity: 0–100% RH

    Motion (PIR): up to 3 m, 80° horizontal / 55° vertical

    Light: 0–60,000 lux (or level 0–5)

    CO2: 400–5,000 ppm

    TVOC: 1.00–5.00 (IAQ rating)

    Barometric pressure: 260–1,260 hPa

    PM2.5: 0–1,000 µg/m³

    PM10: 0–1,000 µg/m³

  • Measurement Accuracy

    Temperature: ±0.2°C (0°C to +60°C), ±0.3°C (-20°C to 0°C)

    Humidity: ±2% RH (at 25°C)

    Light: ±30% of reading

    CO2: ±(30 ppm + 3% of reading) (0°C to +50°C, 0–85% RH)

    TVOC: ±1 (IAQ rating)

    Barometric pressure: ±0.5 hPa

    PM2.5/PM10: ±10 µg/m³ (0–100 µg/m³), ±10% (100–500 µg/m³) (-10°C to +60°C)

  • Measurement Resolution

    Temperature: 0.1°C

    Humidity: 0.5% RH

    Light: 1 lux

    CO2: 1 ppm

    TVOC: 0.01 (IAQ rating)

    Barometric pressure: 0.1 hPa

    PM2.5/PM10: 1 µg/m³

  • Power Source
    Battery (Non-rechargeable)
  • Power Input
    4 × 2700 mAh ER14505 Li-SOCl2, replaceable; or 5 V / 1 A via USB Type-C
  • Battery Type
    Li-SOCl2
  • Battery Capacity
    10800mAh
  • Battery Life
    About 1.3 years (SF7) / about 1.2 years (SF10), EU868, 10-min reporting interval, 25°C (lab test with standard Milesight battery, guideline only)
  • Dimensions
    100.8 × 114 × 22 mm
  • Weight
    222.6 g (with batteries)
  • Enclosure Material
    PC (Polycarbonate), ABS Plastic
  • Mounting Options
    Wall Mount
  • IP Rating
    IP30
  • Environment Rating
    Indoor
  • Operating Temperature
    -20°C to +60°C
  • Certifications
    CE, FCC, IC, RoHS
  • Warranty
    2 Years

Document Library

AM308 Datasheet

AM308 User Manual

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