USB to RS-232 DB9 Serial Adapter/Converter Multi-1/USB RS232 - Walmart.com
Amazon.com: UTEK UT-880 USB to RS-232 Interface Protocol Vonverter VER 2.0(1-Port USB to RS-232 Serial Converter with ESD Protection) : Electronics
Amazon.com: USB to RS232/485/422/TTL Converter with FT232RNL Chip, Industrial Isolated USB Adapter with Multiple Protection, Support Multi Devices and Android, Windows 11 / 10 / 8.1 / 8 / 7, Etc Multi System : Electronics
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB-RS232 Konverter (isoliert) für Drives - LinMot e-Catalogue
Black Box - serial adapter - USB - RS-232 - TAA Compliant - IC199A-R4 - USB Adapters - CDW.com
USB to RS232 Serial Converter 1/1.5/2/3M
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
USB to RS232 converter
FT232RL/CH343G USB TO RS232/485/TTL Interface Converter, Industrial Isolation
E+E - USB <=> RS232 converter (P/N: HA020110)
USB to RS232 Converter with 5V power output on 9th pin – Atac Technology Co., Ltd.