DL-LLCC68-S-433 with LoRa Modules ROHS is a type of wireless module manufactured by DreamLNK. This module uses LoRa technology to wirelessly transmit data over long distances. It is a low power, low complexity, and long-range communication technology that enables the transmission of data up to several kilometers. This module is RoHS compliant, making it safe for use in many industrial applications. It is suitable for various applications including Internet of Things (IoT), smart metering, asset tracking, and building automation. This module is reliable, cost-effective, and energy-efficient.