Frequency: Any LoRaWAN band
Sensors: pH, Temperature, Dissolved Oxygen, Oxygen Reduction Potential, Electrical Conductivity, and Nitrates. Other options available on request.
Fully autonomous device that floats on water (rivers, streams, lakes, etc.). Set or change “over the air” how frequently data is measured, typically every 15 minutes or 1 hour.
Option for solar panel and battery charging.
Needs some ongoing maintenance and calibration based on water quality.
Price: not available