The Telstra NBIoT and Cat M1 networks have been designed for low power low data rate devices, and cover more than half of Australia's land mass. The Captis connects to both of these networks. Depending on frequency of logs and send interval, and stability of connection, data will vary. Data can be as low as single digits dollars or less per month to hundreds. price estimate for 12 months. Several parameters, every 15 minutes and daily send plus alarms