USB 4-Port Serial Adapter - USB 2.0 to DB-9 Port RS232 with FTDI CHIP - Coolgear
4 Port Professional RS-232 USB 2.0 to Serial Adapter
Satechi Aluminum USB-C Multiport Pro Adapter - Apple
Amazon.com: Plugable 2-in-1 USB Splitter with Dual USB 2.0 Ports, Compatible with Windows, Linux, macOS, Chrome OS, USB Multiport Hub for Laptops : Electronics
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
USB to RS232 Adapter / Converter – CommFront
USB to Serial Converter - UC-692
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
HP USB to Serial Port Adapter J7B60AA B&H Photo Video
Parallel Port To USB Adapter Cable for Printer - Walmart.com
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,
USB DB9 Male Serial Port Converter 6FT GoldX Windows 10
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USB to RS232 Adapter with PL2303 Chipset, CableCreation 6.6 ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black - Walmart.com
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
USB to RS232 Converter Cable 1.0 meter - UMC-201
USB TYPE C TO Display Port CONVERTER
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | StarTech.com Europe
USB to RS422/RS485 Serial Port Converter Adapter Cable - RS485-1|STEPPERONLINE
StarTech.com USB to RS232/RS485/RS422 Industrial 4 Port Serial Hub Adapter - USB to Serial Converter - ICUSB234854I - USB Adapters - CDW.com
Usb Rs232 Serial Db9 9 Pin Adapter Cable Pda | Usb Serial Rs232 Windows Xp - Usb - Aliexpress
USB To DB9 Serial Adapter With 6 Ft Cable | Cables.com
Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics
USB to 2-Port Isolated RS-232, RS-422, RS-485 DB9 Serial Interface Adapter - Sealevel
RS232 Adapter - TE Technology
USB 3 Dual Port Gigabit Ethernet Adapter - USB and Thunderbolt Network Adapters | StarTech.com
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
![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")