– User information: indicator light on the unit
· CO2 calibration: automatic or manual via button or downlink
· Data sending mode: periodic and/or on events
· Optimisation of autonomy: historisation
· Data accessibility: redundancy
· Alarm repetition in case of persistent event
· Error / fault management: configuration error, low battery
· Data time-stamping (LoRaWAN)
· Network quality test at start-up (LoRaWAN)
