USB to RS232 Serial Cable

db9 female RS232 to usb with ft232rl chipset
$5.50
Model No:YT-UDF01
FTDI Chipsets USB Serial Adapter, 2-ports – PRO
$12.00
Model No:YT-UD04
FTDI Chipsets USB2.0 to 4Ports Serial Converter
$26.00
Model No:YT-UD06
ftdi usb 2.0 to rs232 serial db9 cable
$5.00
Model No:YT-UD01
Original PL2303 Chipset USB to Serial Cable
$3.50
Model No:YT-UD02
PL2303 USB 2 Port Serial DB-9 RS-232 Adapters with FTDI Chipset
$10.00
Model No:YT-UD04-2