The ZE533C RoHS Communication Modules manufactured by Z-TEK is a signal convertor module designed to provide an interface between two communication systems, allowing data to flow between them. It is specifically designed for industrial use, and can be used to bridge between two different communication interfaces. The module features a microprocessor core, integrated communication ports, multiple input and output ports, and an LCD display. It is RoHS (Restriction of Hazardous Substances) compliant, ensuring the components used are free of hazardous substances, which helps to protect the environment and reduce the risk of health hazards. Additionally, the module is built to be rugged, highly reliable, and easy to install and maintain.