![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 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](https://m.media-amazon.com/images/I/61I5atI+Z9L._AC_UF894,1000_QL80_.jpg)
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
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
![USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/18-06.jpg)
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
![Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics](https://m.media-amazon.com/images/I/818r+C4b7+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics
![CableCreation USB to Serial Adapter, USB to RS232 Converter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com CableCreation USB to Serial Adapter, USB to RS232 Converter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com](https://i5.walmartimages.com/seo/CableCreation-USB-to-Serial-Adapter-USB-to-RS232-Converter-USB-to-DB9-RS232-Converter-9-Pin-FTDI-Chipset-for-Windows-Mac-OS-and-Linux_8c9373af-82b0-4ae6-bbe0-ff82cf2c36cc.0fd37d6515ed3c15b7ad560268a975be.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
CableCreation USB to Serial Adapter, USB to RS232 Converter, USB to DB9, RS232 Converter 9-Pin FTDI Chipset for Windows , Mac OS and Linux - Walmart.com
![Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific](https://assets.fishersci.com/TFS-Assets/CCG/Mettler-Toledo/product-images/64088427.jpg-650.jpg)
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
![USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Italy USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Italy](https://media.startech.com/cms/products/gallery_large/icusb232.main.jpg)
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Italy
![Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/5883/5883029_sd.jpg)