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).
| Communication | |
|---|---|
| frequency | EU868 |
| connectivity | LoRaWAN, NB-IoT |
| Power supply | |
| power supply | battery, included, replaceable |
| battery details | Lithium-Thionylchlorid, nicht aufladbar, ER26500 |
| General | |
| variants | NB-IoT or LoRaWAN |
| Certifications | |
| enclosure protection class | IP66 |
| Others | |
| Brand | Dragino |