4ft USB to serial port adapter add 4 DB9 RS232 ports with COM retention to your laptop or desktop computer through USB
Multi-port USB to serial adapter makes com port expansion quick and easy for connecting DB9 equipped PC, multiple consoles routers, switches, GPS, radios, rotator, Programming machine, barcode scanner, label writer, serial modem, digital camera, card reader, palm PC and digital organizer, etc
4 ft USB RS232 converter cable for Windows 10, 8.1, 8, 7, Mac OS 8 or higher, Linux 2.4.0 and later; COM Port assignments maintained across reboot
FTDI USB to serial cable is built with a high performance quality processor chip (FT232RL UART Chipset), which makes it one of the most reliable com port to usb adapter on the market
Multiple port serial splitter is powered by USB port - no external power adapter required; Baud Rate from 300bps to 921.6 Kbps