Dragino D20 temperature sensor node outside

The Dragino D20 is a waterproof temperature sensor designed for outdoor use in agriculture, industry, and environmental monitoring. The Dallas DS18B20 sensor with a 2-meter cable measures temperatures from −55 °C to +125 °C with an accuracy of ±0.5 °C. Temperature alarms and a configurable transmission interval can be set via Bluetooth 5.1 or remotely. The built-in 8,500 mAh Li-SOCl₂ battery enables several years of maintenance-free operation. Available as a LoRaWAN version (D20-LB) for use in existing LoRaWAN networks or as an NB-IoT version (D20-NB).