LoRaWan for device monitoring?

[BoRRoZ]

that depends on the distance / size of payload

please use search and read

Fair Use Policy explained

For The Things Network’s public community network the Fair Access Policy limits the data each end-device can send, by allowing: An average of 30 seconds uplink time on air, per 24 hours, per device. At most 10 downlink messages per 24 hours, including the ACKs for confirmed uplinks. A good goal is to keep the application payload under 12 bytes, and the interval between messages at least several minutes. An online airtime calculator can give you some insight. The following regulations apply a…