MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port; Compatible with barcode readers/scanners, networks switches, receipt printers, PLCs, medical devices, oscilloscopes, scales, etc. BROAD COMPATIBILITY: Compatible with your USB 1.0, 2.0 or 3.0 ports, this USB-A to RS232 converter works with your Windows, MacOS or Linux system PORTABLE DESIGN:  Powered by a USB port, this USB to RS232 serial adapter cable features a lightweight design that conveniently fits into your carrying case, making it ideal for professionals on the go USB TO SERIAL ADAPTER SPECS: 17in (43cm) Cable Length | Max Baud 921.6 Kbps | 512 Byte FIFO | Supports Windows, macOS, and Linux | Prolific PL2303GT Chipset | Odd, Even, Mark, Space, or None Parity Modes | 5/6/7/8 Data Bits THE IT PRO'S CHOICE: Designed and built for IT Professionals, this USB to serial converter cable is backed for 3-years, including free lifetime 24/5 multi-lingual technical assistance