C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Europe
USB C to Serial Adapter w/ COM Retention - Serial Cards & Adapters
4 Port Professional RS-232 USB 2.0 to Serial Adapter
Amazon.com: USB to RS232 Serial Adapter (FTDI Chip), CableCreation 6.6 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, 2 Meters/Black : Electronics
Startech 3' USB to RS232 DB9/DB25 Serial Adapter Cable - Walmart.com
Black Box USB-C to RJ-45 - serial adapter - USB 2.0 - IC1102A - -
USB to Serial Converter - TRENDnet TU-S9
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
Tripp Lite FTDI USB to Serial RS-232 Adapter Cable w/ COM Retention M/M 5ft - U209-005-COM - -
Usb To Rs232 Com Port Serial Db9 Pin Cable Prolific Cp2102 Pl2303 Ftdi Null Modem Dce Crossed Wired Adapter Cable Rs232 Com 6ft - Pc Hardware Cables & Adapters - AliExpress
USB to Serial 8 port Data Control Box RS-232 FTDI Adapter Win 10
Amazon.com: USB to Serial Adapter, BENFEI USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 10/8.1/8/7, Mac OS X 10.6 and Above, 1.8M : Electronics
USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters
USB-SERIAL-F
USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi : ID 954 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits