USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable Black NS-PU99501 - Best Buy
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
CableCreation USB to RS232 Serial Adapter (FTDI Chip), 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
USB 2.0 RS-232 Serial Adapter with LED Indicators
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC, 1 (Quantity) - Walmart.com
USB to RS232 Adapter / Converter – CommFront
USB 2.0 to Serial RS232 Cable
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
USB RS-232 Serial Adapter USB Serial Adaptor Converter Prolific Chip
Laser Diode Driver RS232 to USB Converter
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
USB to Serial RS-232 DB9 Adapter FTDI Chipset w/ 15kV ESD Protection, Windows 11 Support - Coolgear
RS232 to USB Converter FTDI | TOP-electronics
USB to RS232 Serial Converter -- DataPro
USB to Serial RS-232 adaptor
Tripp Lite Keyspan High Speed USB to Serial Adapter 3ft USB Cable TAA - USA-19HS - -
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
1 Port USB to RS232 DB9 Serial Adapter - Serial Cards & Adapters | StarTech.com
USB to Serial adapter for the FLEX-6000 series – FlexRadio
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 Female Connector, Prolific PL2303HX Rev. D Chipset) : Electronics