Milesight AM300 Series LoRaWAN Indoor Air Quality Sensor
LoRaWAN® indoor air quality sensor series monitoring up to 9 parameters (temperature, humidity, CO₂, TVOC, PM2.5, PM10, HCHO, barometric pressure, PIR). Features optional E-ink display, up to 7-year battery life, and Works with WELL certification.
Description
Multiple Monitoring Options. Built Around Your Needs.
The Milesight AM300 Series are LoRaWAN® indoor air quality (IAQ) sensors that monitor up to 9 environmental parameters, providing intuitive visibility into indoor air quality and occupancy to support healthier, more comfortable, and energy-efficient indoor environments. The series includes AM304L, AM305L, AM307, AM308/AM308L, and AM319 to cater to different monitoring needs.
Models & Parameters
| Parameter | AM304L | AM305L | AM307 | AM308/AM308L | AM319 |
|---|---|---|---|---|---|
| Temperature | ✓ | ✓ | ✓ | ✓ | ✓ |
| Humidity | ✓ | ✓ | ✓ | ✓ | ✓ |
| Light | ✓ | ✓ | ✓ | ✓ | ✓ |
| PIR Motion | ✓ | ✓ | ✓ | ✓ | ✓ |
| CO₂ | — | ✓ | ✓ | ✓ | ✓ |
| TVOC | — | — | ✓ | ✓ | ✓ |
| Barometric Pressure | — | — | ✓ | ✓ | ✓ |
| PM2.5 & PM10 | — | — | — | ✓ | ✓ |
| HCHO / O₃ | — | — | — | — | ✓ |
Key Features
- Intuitive IAQ Status Indicators – Emoticon icons and traffic light LEDs for at-a-glance air quality status
- Optional 4.2″ E-Ink Display – Available on AM307, AM308, AM319 with multiple layouts and light/dark themes
- Long Battery Life – Up to 7 years (AM304L) on 4 × ER14505 batteries; AM319 powered via USB Type-C
- Smart PIR Power-Saving – Stops updating when space is vacant, resumes on motion detection
- 18,000 Entry Data Storage – Tamper-proof historical records with data retransmission
- Works with WELL Certified – AM319 officially earned the Works with WELL mark from IWBI
- NFC Configuration – Quick setup via smartphone, no complex tools required
- HVAC & BAS Integration – Seamlessly integrates with HVAC systems and Building Automation Systems
Technical Specifications (AM307)
| Wireless Technology | LoRaWAN® |
|---|---|
| Frequency | CN470 / RU864 / IN865 / EU868 / US915 / AU915 / KR920 / AS923 |
| Temperature Range | -20°C ~ 60°C (±0.2°C accuracy) |
| Humidity Range | 0% ~ 100% RH (±2% RH accuracy) |
| CO₂ Range | 400 ~ 5000 ppm (NDIR, ±(30ppm + 3%)) |
| TVOC | IAQ Rating 1.00 ~ 5.00 (MOX MEMS) |
| Barometric Pressure | 260 ~ 1260 hPa (±0.5 hPa) |
| Display | 4.2-inch Black & White E-Ink Screen |
| Battery Life | ~3.9 years (SF7, EU868, 10 min interval) |
| Ingress Protection | IP30 |
| Housing | ABS (UL94 HB), White |
| Dimensions | 100.8 × 114 × 22 mm |
| Installation | Wall mounting via 3M tape or screws |
| Approvals | CE, FCC, ISED, RED, RoHS |
Applications
- Office buildings and co-working spaces
- Schools and educational institutions
- Hospitals and healthcare facilities
- Hotels, retail stores, and shopping malls
- Smart home and residential buildings
- Transportation hubs and airports
