Smart sensor and RTU 2-in-1 LoRaWAN terminal from the Polysense iEdge 4.0 line. Mie-scattering PM1/2.5/10, range 0-1,000 ug/m3, resolution 1 ug/m3. It measures airborne particulate matter and reports the readings over a LoRaWAN network. The OD outputs can switch external devices such as relays, beepers or fans when a reading or a remote command triggers them.
Specifications as published by Polysense.