USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDW.com
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN U.S.A.
USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable
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 RS 232 Converter/Adapter Transparent | Wentronic
RS232 to USB Adapter Cable, 5-ft | Eaton
USB to RS232 Serial Converter Cable
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter, COM Port Adapter with Prolific IC, 1 (Quantity) - Walmart.com
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
USB to RS232 Converter - CAB-08580 - SparkFun Electronics
USB to RS232 Serial Converter -- DataPro
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
RS232 Adapter - TE Technology
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store
USB to RS232 Adapter / USB to RS232 Converter
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent