The DL-RXM300H 868M is a wireless module manufactured by DreamLNK, designed for long-range applications. It is RoHS compliant and ideal for 433/868MHz applications. This module utilizes ultra low power consumption for extended battery life and is enhanced with a digital RSSI and built-in temperature sensor. It features high sensitivity, transmission distance up to 15km, dual antenna diversity technology, built-in 433MHz high performance TX PA with 16dBm output power, advanced encryption technology, and support for up to 128 channels. The module is designed to be used for smart meters, smart cities, home and building automation systems, telemetry, etc.