The flykantech.com 4XRS232-B is a versatile 4-port USB to RS-232 serial interface converter designed for seamless connectivity between USB-enabled computers and RS-232 serial devices. It supports a wide range of serial data formats including 5, 6, 7, and 8 bits, with baud rates from 50bps up to 921.6Kbps. Each of its four serial ports features a 1024-byte FIFO for upstream data and a 512-byte FIFO for downstream data, ensuring efficient and reliable data transfer. Compatible with both Windows and Linux operating systems, the 4XRS232-B offers flexibility in integration across various platforms.