The OKY3406-2 with Module is a USB-UART converter manufactured by OKYSTAR. It is a compact unit equipped with a CH340G USB-UART converter, along with USB A type receptacles. The converter is designed to quickly and easily convert serial data to a USB format, allowing users to connect long-range serial projects to an offboard computer. It supports data rates up to 115200 baud and features a very low power consumption of only 100ma. Additionally, it supports various serial formats, including 8N1, 7O2, and 7 E1. Its compact design and choice of connectors offer a very convenient solution to anyone in need of a reliable and efficient USB-UART converter.