USB TO RS232 / RS485 / TTL Industrial Isolated Converter - PiShop.us
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
Startech 3' USB to RS232 DB9/DB25 Serial Adapter Cable - Walmart.com
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
USB-C to Serial Adapter, RS232
FTDI Serial TTL RS232 USB Cable | Elektor
USB-RS232-PCBA FTDI | Mouser
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
Tripp Lite RS232 to USB Adapter Cable with COM Retention (USB-A to DB9 M/M), FTDI, 5 ft. - USB / serial cable - USB to - U209-005-COM - USB Cables - CDW.com
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
Prolific Usb Serial 9 Pin Db9 Rs232 Adapter Cable - Usb Rs232 Port Db9 Pin Cable - Aliexpress
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
USB to RS232 Serial for Vista -- DataPro
USB 2.0 RS-232 Serial Adapter with LED Indicators
Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics