USB-C 2.0 to Serial RS-232 Adapter w/ LED Indicators
1 Meter USB to RS232 Serial Adapter DB9 Male w/Hex Nut, PROLIFIC Chipset
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232/DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
1.5ft (0.46m) USB to DB9 Serial RS232 Adapter Cable | Adapters and Couplers | Audio Video
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
2.6FT USB 2.0 to Serial RS323 DB9 9Pin Adapter Cable PDA Cord GPS Converter - Walmart.com
Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black : Electronics
USB Serial RS232 Single Port PRO Adapter with Activity LED 3ft
Amazon.com: uxcell 2.5FT USB 2.0 to Serial RS323 DB9 9Pin Adapter Cable PDA Cord GPS Converter Blue : Electronics
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
FTDI Serial TTL RS232 USB Cable | Elektor
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
StarTech.com 1 Port USB to RS232 DB9 Serial Adapter Cable - M/M - ICUSB232V2 - Serial Cables - CDW.com
Android Phone USB Host TYPEC Mobile RS232 USB-C Serial Adapter Cable Cellular MicroUSB to DB9pin Male Converter - AliExpress
USB-RS232-PCBA FTDI | Mouser
3' USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com