USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
6FT USB to DB9 Serial Converter Cable V3 | Computer Cable Store
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | StarTech.com
USB to RS232 Serial Converter -- DataPro
FTDI C232HD-EDHSP-0 USB to TC2030 Debug Cable | Tag-Connect
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton Tripp Lite
Tripp Lite Keyspan High Speed USB to Serial Adapter 3ft USB Cable TAA - USA-19HS - -
Thunderlinx™ USB to Serial adapter - U.S. Converters LLC
1.5ft (0.46m) USB to DB9 Serial RS232 Adapter Cable | Adapters and Couplers | Audio Video
USB to Serial Adapter
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 Female Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
USB-SERIAL-F
Amazon.com: SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, Prolific Chipset, HEXNUTS -, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Electronics
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable Black NS-PU99501 - Best Buy
3go Usb/Serial Adapter Cable Rs232 Black | Techinn
USB to RS-232 Adapter (35cm) - UC232A, ATEN USB Converters | ATEN Corporate Headquarters
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
Shop | StarTech.com 3ft USB to RS232 DB9 Serial Adapter Cable - M/M - serial adapter - USB 2.0 - RS-232
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
USB to Serial Converter - TRENDnet TU-S9
USB to RS232 Converter Cable 1.0 meter - UMC-201
USB Roland XY-RS-34 Serial Programming Cable DB-25 Male Null Modem NM 25M | eBay