USB Serial RS232 Converter Mini, Transparent | Wentronic
USB to Serial RS232 Cable
USB to Serial Converter - TRENDnet TU-S9
Buy Wholesale China 2 Port Ftdi Usb C Type C To Rs232 Db9 Serial Adapter Converter 9-pin Male Connector With Hexnuts & Usb-c To 2ports Rs232 Cable at USD 15 | Global Sources
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232/DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
USB to RS232 DB9 Serial Cable + DB25 Pin Adapter / Port Adapter Converter for GPS, PDA, PC, Modem - Walmart.com
MultiCOM (1x USB to 6x RS232 Converter) | ECOM spol. s r.o.
USB to Serial RS232 Cable
Industrial Isolated Multi-Bus Converter, USB / RS232 / RS485 / TTL Communication | Multibus Converter
Multi USB-RS232-RS485-TTL Converter - DFRobot
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
USB to RS232 Converter - CAB-08580 - SparkFun Electronics
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
Isolated USB to RS232 Serial converter- with RS485 / RS422 options
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe
Amazon.com: StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) : Electronics
Amazon.com: StarTech.com 1 Port USB to Serial RS232 Adapter - Prolific PL-2303 - USB to DB9 Serial Adapter Cable - RS232 Serial Converter (ICUSB232V2) : Electronics