USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
Amazon.com: 5FT Micro USB to RS-232 9-Pin DB9 Male Serial Adapter Cable for Windows Mac OS Linux FTDI Chipset (5FT, Micro USB to DB9) : Electronics
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
Amazon.com: Cable Matters : Electronics
USB 2.0 RS-232 Serial Adapter with LED Indicators
RS232 to USB converter - Victron Energy
Amazon.com: USBGear 12 inch USB to Serial RS-232 DB-9 Pin Adapter with FTDI Chipset for Windows 10, 8, 7 and Mac Systems - Use for Laptop Serial Port, PDA, GPS, Modems, Routers and More : Electronics