USB to Serial Adapter (RS232) -Windows 7 - USB A Male to DB9 Male - Download Windows 7 Driver Here - USBFireWire.com - 877-522-3779
SP232EEP
USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
USB Serial RS232 Single Port PRO Adapter with Activity LED 3ft
USB to RS232 DB9 Male Adapter 9 pin Serial Cable & Driver CD Windows 7 8 XP | eBay
USB to RS232 Serial Converter -- DataPro
serial - How does this PIC board achieve RS-232 communication without a line driver? - Electrical Engineering Stack Exchange
USB to Serial Adapter w/ Detachable USB - Serial Cards & Adapters | StarTech.com
Source Hotsell USB RS232 Cable Driver Support on m.alibaba.com
USB-RS232 Serial Converter Driver Download
USB to RS-232 Serial Adapter - Winford Engineering
RS232 line driver, db9 connector, rj11 connector, micro size - Telebyte Model 209
IOGEAR - GUC232A - USB to Serial Adapter
USB to RS232 Serial for Vista -- DataPro
USB 2.0 RS-232 Serial Adapter with LED Indicators
Bluetooth Controlled Led Driver, A Tutorial - Part 1 RS232 Module
RS232 Driver Resources - EasyEDA
1 Port USB to RS232 DB9 Serial Adapter - Serial Cards & Adapters | StarTech.com
12in. High-Speed USB to RS-232 Serial DB9 Adapter Cable - Windows 7/8
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
Amazon.com: USB to DB25 RS232 Serial Adapter Converter Cable Null Modem FTDI Driver for Sharp X68K X68000 PC Communicate Programming Cable : Electronics
USB RS232 Drivers v.3.8.25.0, v.3.8.12.0 download for Windows - deviceinbox.com
USB to Serial RS-232 DB9 FTDI Mini Adapter with Extension Cable
USB to RS-232 Adapter (35cm) - UC232A, ATEN Converters | ATEN Corporate Headquarters
USB 2.0 to Serial DB9 (RS232) Adapter (FTDI Chipset) - Sabrent