The UC232A USB-to-RS232 serial port converter is the ideal accessory for laptop and desktop computers that do not have a COM or DB9 serial port. Stable Performance, Fast Transmission — Full compliance with USB specifications. Offers USB 2.0 connectivity and is equipped with a robust cable that ensures proven anti-EMI performance for reliable signal transmission at 921.6 Kbps Broadly Compatible with Serial Devices — Allows your PC or laptop to control and communicate with various RS232 serial devices such as modem, network switch, PLC controller, printer, scanner Convenient Connectivity — Offers a convenient connectivity solution for industrial automation systems, scientific instruments, point of sale systems, and specialized industrial applications. Supports automatic handshake mode Reliable and Flexible — Works with cellular phones, digital cameras, modems, and ISDN terminal adapter, a trustworthy connectivity solution recommended and adopted by leading enterprises Multi-System Support — Windows: 7, 8, 8.1, 10, 11 / Mac: OS 10 or later / Linux: 2.6.15 or later Applications: PLC Programming, Medical / Scientific Instrument, Barcode Scanning, POS Terminal