9 pin serial to USB cable male to male port allows PC to connect serial RS-232 devices and programs that communicate through COM port (NOT VGA-Monitor-Video-Cord )RS232C DB9 to USB adapter with gold plated connector ensures reliable data communication compared to the nickel plated DB9 interfS232 to USB cord with prolific PL2303 chipset supports Windows 11 10 8.1 8 7 Mac OS8 or higher Linux 2.4. 0 and laterSerial to USB adapter is wired as a straight through cable to connect DB9 devices such as router GPS Programming machine barcode label writer modem digital camera card reader palm PC and digital organizer etc6ft serial USB RS232 converter data cord is shielded to protect your data from EMI/RFI noise and is long enough to be useful but not so long as get in the way