USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
USB to RS232 Adapter / Converter – CommFront
1 Port USB to RS232 DB9 Serial Adapter - Serial Cards & Adapters | StarTech.com
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
USB to Dual RS232 Adapter / Converter – CommFront
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
USB TO RS232 CABLE WITH FT232B CHIPSET (EOL) — Connective Peripherals - Global Store
Tripp Lite RS232 to USB Adapter Cable with COM Retention (USB-A to DB9 M/M), FTDI, 5 ft. - USB / serial cable - USB to - U209-005-COM - USB Cables - CDW.com
C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
Industrial USB/RS232 USB/Serial PLC Programming W7 XP RS232 - PLCCable.com - Automation Supplies and PLC Tools
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
StarTech.com USB to Serial RS232 Adapter Cable with COM Retention 1' - ICUSB232PRO - USB Adapters - CDW.com
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics