DTech 6ft RS232 Serial Cable Extension Male to Female 9 Pin Straight Through for Monitor, Modem, Personal Computer, Laptop, Printer, Scanner (Black)

DTech 2m DB9 RS232 Serial Cable Male to Female Computer Monitor Cable 9 Pin Null Modem Extension Cord for PC Data Communication（6feet,Black

OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vista, XP, 2000, Linux and Mac OS(6ft)…

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack