![2-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV Surge Protection & 3 ft. USB Extension Cable - Coolgear 2-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV Surge Protection & 3 ft. USB Extension Cable - Coolgear](https://www.coolgear.com/wp-content/uploads/2013/05/usbg-232ft-1IMG_00101x1500.jpg)
2-Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV Surge Protection & 3 ft. USB Extension Cable - Coolgear
![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](http://www.adafruit.com/images/480x360/18-06.jpg)
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
![U209-000-R - Eaton Tripp Lite - USB Serial Adapter Cable USB A Male to DB9 Male, 5 ft, RS-232 Serial Port U209-000-R - Eaton Tripp Lite - USB Serial Adapter Cable USB A Male to DB9 Male, 5 ft, RS-232 Serial Port](https://www.newark.com/productimages/large/en_US/94C1223-40.jpg)
U209-000-R - Eaton Tripp Lite - USB Serial Adapter Cable USB A Male to DB9 Male, 5 ft, RS-232 Serial Port
![TZT USB to CAN Adapter China-Made Compatible with German Original IPEH-002022 Supporting INCA - AliExpress TZT USB to CAN Adapter China-Made Compatible with German Original IPEH-002022 Supporting INCA - AliExpress](https://ae01.alicdn.com/kf/Sb9968ddfcd2e4848853cad9846de9a3dw/TZT-USB-to-CAN-Adapter-China-Made-Compatible-with-German-Original-IPEH-002022-Supporting-INCA.jpg)
TZT USB to CAN Adapter China-Made Compatible with German Original IPEH-002022 Supporting INCA - AliExpress
![USB-RS232-WE-1800-BT_0.0 FTDI, Future Technology Devices International Ltd | Cable Assemblies | DigiKey USB-RS232-WE-1800-BT_0.0 FTDI, Future Technology Devices International Ltd | Cable Assemblies | DigiKey](https://mm.digikey.com/Volume0/opasdata/d220001/medias/images/384/USB-RS232-WE-5000-BT_5.0.jpg)
USB-RS232-WE-1800-BT_0.0 FTDI, Future Technology Devices International Ltd | Cable Assemblies | DigiKey
![Amazon.com: CableCreation USB to RS232 Serial Cable 3M, DB9 Adapter (PL2303 Chipset) Support Cashier Register, Modem, Scanner, Digital Cameras, CNC etc, 10FT /Black : Electronics Amazon.com: CableCreation USB to RS232 Serial Cable 3M, DB9 Adapter (PL2303 Chipset) Support Cashier Register, Modem, Scanner, Digital Cameras, CNC etc, 10FT /Black : Electronics](https://m.media-amazon.com/images/I/61-qTnAhbfL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Serial Cable 3M, DB9 Adapter (PL2303 Chipset) Support Cashier Register, Modem, Scanner, Digital Cameras, CNC etc, 10FT /Black : Electronics
![3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com 3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com](https://media.startech.com/cms/products/gallery_large/1p3fpc-usb-serial.main..jpg)
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
![Amazon.com: UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin with PL2303 Chipset RS-232 Converter Cable for Windows 10 8.1 8 7 XP Vista, Mac OS, Linux, 3FT : Electronics Amazon.com: UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin with PL2303 Chipset RS-232 Converter Cable for Windows 10 8.1 8 7 XP Vista, Mac OS, Linux, 3FT : Electronics](https://m.media-amazon.com/images/I/61N0K3md5nL.jpg)
Amazon.com: UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin with PL2303 Chipset RS-232 Converter Cable for Windows 10 8.1 8 7 XP Vista, Mac OS, Linux, 3FT : 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 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)