The WC-PD13C033I is a Communication Module 56*14*16mm RoHS manufactured by Winchen. It is a small module designed for use in embedded systems applications such as industrial automation, consumer electronics, automotive and automation. It features a variety of communication interfaces, including Ethernet, USB, serial ports and CAN bus, and is compatible with a variety of communication protocols. It also has an additional power module and PWMs, allowing for efficient power management. The module is RoHS compliant and meets the industry standards for safety.