4-port USB to Serial RS232 Converter
USB to Serial Converter - UC-692
Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
USB Serial Port Adapter, Bus Communication USB Port Converter Module CH341A Chip 3.3V 5V For Program Debugging - Walmart.com
USB-A Serial Adapter - Single Port with COM Retention | Advantage Software
Amazon.com: CableCreation USB to RS232 Male Adapter with PL2303 Chipset, USB to DB9 Serial Converter for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 and Above,Black : Electronics
USB 2.0 to RS232 Serial Port DB9 9 Pin Male Converter Adapter Win7/8/2000/XP | eBay
Wiegand 26/34 converter into USB port - WG 26 to RS232 Converter - Wiegand to TCP / Ethernet converter
Shimadzu Scientific US Webstore - CONVERTER, RS-232 TO USB
HDMI to USB-C Port 4K 60Hz Converter Adapter
USB to serial RS232 adapter with two ports
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
USB to TTL 3.3V Converter – CommFront
USB 2 to Industrial 4-Port RS232-422-485 Serial TB Adapter - Coolgear
RS-232 Male to USB 2.0 Cable 10U1-06103 Jameco Valuepro
USB C to Serial Adapter w/ COM Retention - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Amazon.com: Cable Matters : Electronics
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
USB-C to HDMI Converter w/ Power Delivery Port (153416)
2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.
