1M USB to RS-232 Converter - UC232A1, ATEN USB Converters | ATEN U.S.A.
USB to RS232 converter
Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
Lenovo Hybrid USB-C with USB-A Cable | Lenovo US
Ethernet to USB Adapter, USB 3.0 to RJ45 Gigabit Adapter – UGREEN
1.5ft (0.46m) USB to DB9 Serial RS232 Adapter Cable | Adapters and Couplers | Audio Video
RS232 to USB Converter FTDI | TOP-electronics
Manhattan USB to Serial Converter (151801)
USB to Serial Converter - TRENDnet TU-S9
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable Black NS-PU99501 - Best Buy
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters
RS232 to USB Adapter Cable, 5-ft | Tripp Lite
Lightning to USB Camera Adapter - Apple
USB-to-Serial Portable Adapter | Belkin
USB to RS232 Serial 9 Pin COM Port DB9 Converter Cable Adapter for PC Computer - Walmart.com
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
StarTech.com 6" USB C to USB Adapter USB 3.0 Type C Dongle - USB-IF Cert - USB31CAADP - -