Dual port RS232 Serial to USB adapter for RS232 data conversion.
CH340G Serial Port Debugger USB To TTL Converter Adapter Module
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Mini USB to RS232 serial adapter for Windows 7
USB to RS232 Adapter / Converter – CommFront
VScom USB-COM Mini 1x RS232 USB to serial converter
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
MAC Converter Adapter FTDI FT232 USB to Serial RS232 COM Windows Cable S | eBay
USB to RS232 converter cable,1.8m
Thunderlinx™ USB to Serial adapter - U.S. Converters LLC
Amazon.com: USB 2.0 to RS232 Serial DB9 Converter : Electronics
USB to serial RS232 adapter with two ports
USB 2.0 RS-232 Serial Adapter with LED Indicators
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USB-RS232-WE-5000-BT_0.0 FTDI, Future Technology Devices International Ltd | Cable Assemblies | DigiKey
RS232 DB9 Female to USB 2.0 A Female Serial Cable Adapter Converter 8" Inch 25cm | eBay
RS232 9 Pin Serial Gender Changer | TOP-electronics
Large Selection of USB-RS232 adapters, Easy Installation and Setup of USB RS232 COM ports.
Amazon.com: USB-RS232-WE-1800-BT_0.0 - Cable, USB A to RS232, Serial Convertor, 1.8m (Pack of 2) (USB-RS232-WE-1800-BT_0.0) : Electronics
RS232 to USB Converter FTDI - LM060 - Bluetooth and WiFi Modules and Adapters - LM Technologies
USB 2.0 RS-232 Serial Adapter with LED Indicators
Low-cost USB to RS232 converter
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
