The price of sensors depends on the type of sensor you need for you application.
To give you and idea an indoor temperature and humidity sensor will cost approximately $345.00 plus GST and shipping.
This cost includes the following:
First year’s data charges for using the Sigfox network.
24/7 access to your own monitoring dashboard.
Email alerts to your inbox if the sensor detects out of range conditions as determined by you.
2 AA long life 3.6v pre installed batteries.
Battery condition monitoring.
After the first year there will be ongoing data and dashboard monitoring charges at around $19.00 per month plus GST billed annually and battery replacement costs which will be required at around 2 yearly intervals.