USB to Serial RS-232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support - Coolgear
CableCreation USB to Serial 10ft Long Cable , USB to RS232 Adapter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com
USB to Serial adapter for the FLEX-6000 series – FlexRadio
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics