The product is a fully wired serial RS232 cable with a length of 3 m, featuring a serial (RS-232) female connector on one end and a serial (RS-232) male connector on the other.
USB to Serial RS232 Cable MALE 9 Pin DB9 COM Converter Adapter
StarTech 1m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female (MXT1001MBK)
StarTech.com 2m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1002MBK)
StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1003MBK)
JSADZKJ DB15 RS232 Serial Extension Cable Male to Male D-SUB 15-Pin Connecter Straight Through Cord 1.6FT DB15 Serial Cable for Computers Printers Scanners 2Pcs (Male to Male)
YIOVVOM DB9 RS232 Serial Extension Cable Male to Male 9 Pin DB9 Cord Straight Through 9 pin Serial Connector Grey 5FT