Amazon.com: USB to Serial Adapter - Type A USB to DB-9 Male : Electronics
72 Inch USB DB-9 Serial Hi-Speed Adapter - Prolific Chipset - Coolgear
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 10kV Surge Protection & 3ft. USB Extension Cable - Coolgear
N750 DB Wireless Dual-Band USB Adapter | Belkin
6ft USB to DB-9 RS232 Serial Converter with FTDI Chipset
Serial Port RS232 DB 9-Pin to USB Adapter for Mac PC Linux : Electronics
SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, Prolific Chipset, HEXNUTS -, [Windows 10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics
Startech 3' USB to RS232 DB9/DB25 Serial Adapter Cable - Walmart.com
Sabrent USB 2.0 to Serial 6ft Adapter Cable - Office Depot
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable - Sabrent
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 10kV Surge Protection & 3ft. USB Extension Cable
Dynasonics USB to DB-9 Serial Adapter | Instrumart
Amazon.com: SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI) : Everything Else
USB port to DB-25 port Parallel Cable adapter for HP Laserjet Printer 738470170755 | eBay
USB to Serial Adapter Cable - 9-pin D-Sub (DB-9) Male to 4-pin Type A USB - Walmart.com
Monoprice Usb To Rs-232 Db-9 Male And Db-25 Male Serial Converter Cable : Target
Amazon.com: USBGear USB to Serial RS232 DB9 Adapter FTDI Chipset, Windows 11 Support : Electronics