Milesight AM308 LoRaWAN® Indoor Ambience Monitoring Sensor - EU 868MHz


:Out Of Stock

Product Features

  • Integrated with multiple sensors like humidity, temperature, CO2, light, barometric pressure, PM2.5, PM10, etc.
  • Multiple display modes and clear emoticon to easily understand the comfort levels via screen
  • Support batteries or DC power supply
  • Equipped with traffic light indicator and buzzer to indicate device status and threshold alarms
  • Store locally 18, 000 historical records and support retransmission to prevent data loss
  • Compliant with standard LoRaWAN® gateways and network servers
  • Quick and easy management with Milesight IoT Cloud


AM300 series is a compact indoor ambience monitoring sensor for measurement of temperature, humidity, light, CO2 concentration, HCHO/O3 level, TVOC, barometric pressure, PM2.5, PM10 and motion. The data will be shown on the E-ink screen in real-time, which helps to measure the indoor environment and comfort. AM300series is widely used for offices, stores, classrooms, hospitals, etc. Sensor data is transmitted using LoRaWAN® technology. Combining Milesight LoRaWAN® gateway and Milesight IoT Cloud, users can manage all sensor data remotely and visually.

Product Specifications

Wireless Transmission
Technology LoRaWAN®
Frequency EU868
Tx Power 16dBm (868 MHz)
Sensitivity -137dBm @300bps
Work Mode OTAA/ABP Class A
Operating Principle Digital CMOSens® technology (MEMS)
Range -20°C to - 60°C
Accuracy ± 0.2°C
Resolution 0.1°C
Operating Principle Digital CMOSens® technology (MEMS)
Range 0% to 100% RH
Accuracy ± 2% RH
Resolution 0.5% RH
Operating Principle Passive infrared (PIR)
Detection Range 80 ° Horizontal, 55 ° Vertical, 5m
Status Vacant/Occupied
Operating Principle Photodiode
Range 0-60000 Lux (Determine as 6 levels, 0-5)
Carbon Dioxide (CO2)
Operating Principle Nondispersive Infrared (NDIR)
Range 400 - 5000 ppm
Accuracy (0°C to +50°C) ± (30 ppm + 3 % of reading) (0°C to +50°C)
Resolution 1 ppm
Operating Principle MOX (MEMS)
Range 1.00 - 5.00 (IAQ Rating)
Accuracy ±1
Resolution 0.01
Barometric Pressure
Operating Principle Piezoresistive absolute pressure sensor (MEMS)
Range 260 - 1260 hPa
Accuracy ±0.5 hPa
Resolution 0.1 hPa
PM2.5 & PM10
Operating Principle Laser Scattering
Range 0 - 1000 μg/m3
Accuracy 0-100(±10μg/m3 ), 100-1000(±10%) (-10°C to +60°C)
Resolution 1 μg/m3
Display & Configuration
Display 4.2-inch Black & White E-Ink Screen
Button 1 × Power Button + 1 × Reset Button
LED & Buzzer 1 × Traffic Light Status Indicator + 1 × Buzzer
  • Mobile App via NFC
  • PC software via NFC or USB Type-C port
Physical Characteristics
Power Supply
  • 4 × 2700 mAh ER14505 Li-SOCl2 Replaceable Batteries
  • 5V/1A by Type-C Port
Battery Life (10 min interval) Around 1.5 Years
Ingress Protection IP30
Operating Temperature -20°C - 60°C (E-Ink Screen: 0°C - 40°C)
Relative Humidity 10% - 90% (non-condensing)
Dimensions 100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in)
Installation 3M Tape Mounting, Wall Screw Mounting, 86 Box Mounting
Regulatory CE, FCC
Environmental RoHS

Product Downloads

    Shipping Policy

    We provide worldwide shipping using only tracked shipping services. Currently all our international shipments are performed by TNT Express and FedEx. Local shipments to Cyprus are performed either directly from us or using local shipping couriers (i.e. ACS Courier).

    We ship products within 1-3 days after the order is placed. You will be notified by email when your order is dispatched and you will receive the relevant shipment tracking number which you can use to track your shipment.

    Shipment Tracking

    You can use the following links to track your order using the provided tracking number in the case of international orders.
  • Orders shipped with TNT Express: TNT Tracking
  • Orders shipped with FedEx: FedEX Tracking
  • General Return Policy

    We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

    To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

    To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

    For any further information, help and support regarding the shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +357 22 282828