D2x-xB-xS External wireless temperature sensor

The Dragino D20/D20S/D22/D23 is an industrial-grade temperature sensor designed for long-term IoT deployments. It accurately measures temperatures from -55 °C to +125 °C and transmits data via LoRaWAN, NB-IoT, or LTE-M (CAT-M1). Supporting BLE configuration, OTA updates, and data logging in offline scenarios, it is ideal for monitoring pipelines, warehouses, and chemical storage facilities.

Short English description (with focus on communication protocols)
The D2x-xB-xS sensor offers reliable temperature monitoring using LoRaWAN v1.0.3 Class A, NB-IoT, or CAT-M1. Data can be uploaded over MQTT, TCP, UDP, or CoAP. It features BLE setup, OTA firmware updates, and a long-lasting battery or solar option for remote installations.