DRAGINO LHT52-EU868 Temperature & Humidity Sensor Overview The Dragino LHT52 Temperature & Humidity Sensor is a long-range LoRaWAN sensor. It features a built-in temperature and humidity sensor and includes a USB Type-C sensor connector for connecting to external sensors, such as an external temperature sensor. The LHT52 measures ambient temperature and humidity and transmits these values via the long-range wireless LoRaWAN protocol. It is designed for professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and more. The LHT52 runs on 2 AAA batteries and has a long battery life of up to several years. Users can easily replace the batteries when they run out. The LHT52 is fully compatible with the LoRaWAN v1.0.3 protocol and works with standard LoRaWAN gateways. The LHT52 supports a data logging feature to ensure users do not miss any sensor data. It records sensor values for every uplink. These values can be retrieved via the LoRaWAN server.