StarTech.com USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter - Walmart.com
USB to Serial RS232 Adapter - Fully Isolated
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: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232/DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
StarTech.com USB to Serial Adapter Prolific PL 2303 3 ft 1m DB9 9 pin USB to RS232 Adapter Cable USB Serial - Office Depot
StarTech.com USB to Serial Adapter - Prolific PL-2303 - 3 ft / 1m - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Add an RS232 serial port to
C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
DB9 F/F Serial RS232 Mini Gender Changer - Null Modem Adapter - Coolgear
FTDI USB to Serial Adapter Cable w/ COM - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
USB Micro B to DB9 RS232 Universal Serial port Adapter Cable Smartphone Android | eBay
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
PQR USB to RS232 Adapter (Win 7/8/10/11) – Powertronics
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
USB to Dual RS232 Adapter / Converter – CommFront
USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable
USB to RS232 Adapters (FULL SPEED) — Connective Peripherals - Global Store
StarTech.com ICUSB2321F USB to Serial Adapter - 1 port - USB Powered - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter - Newegg.com
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
A&D Scales AX-USB-2920-9P USB to 9-Pin RS232 Converter
1.5ft (0.46m) USB to DB9 Serial RS232 Adapter Cable | Adapters and Couplers | Audio Video
5ft USB to DB9 Male Serial RS232 Adapter Cable | AV Cables
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
USB-A Serial Adapter - Single Port with COM Retention | Advantage Software