Arnorin DB9 Null Modem Female to Female Slimline Data Transfer Serial Port Adapter 10 Pack

DB9 Null Modem Adapter Male to Female Slimline Data Transfer Serial Port Adapter 10 Pack

SIENOC 5pcs 9 Pin RS-232 DB9 Male to Male 5pcs Female to Female Serial Cable Gender Changer Coupler Adapter Pack of 10

CablesOnline DB9 Null Modem Male to Male Slimline Data Transfer Adapter/Gender Changer , (10-Pack) (AD-N05M-10)

SIENOC 9 Pin RS-232 DB9 Male to Male/Female to Female Serial Cable Gender Changer Coupler Adapter (10 packs of female)

CablesOnline DB9 Null Modem Male to Female Slimline Mini Null Modem Adpater, 10-Pack (AD-N04M-10)

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

StarTech.com 1m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable

StarTech.com 1m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 1 meter, Black

Gearmo 4 Port USB to Serial FTDI Cable for MA PC Linux with Windows 10 Certified Drivers