Valley Enterprises (Sold by Valley Enterprises) are the manufacturer of the product pictured and described. When you buy from us, we guarantee that you will receive a genuine product as pictured and described along with USA based support and warranty replacement. We are unable to offer support or warranty replacement for purchases of potentially fake or counterfeit products from other sellers. Supports: Windows 2000, Windows XP (All), Windows Server 2003, Windows Vista (All) , Windows Server 2008, Windows 7 (All), Windows 8 (All), Windows Server 2008 R2, Linux and Mac OS X. Installation Guides and VCP Drivers can be downloaded from FTDI website: http://www.ftdichip.com/Drivers/VCP.htm For Icom CT-17 compatible radios and transceivers including: IC-1275, IC-275, IC-375, IC-475, IC-575, IC-703, IC-706(all), IC-707, IC-718, IC-725,IC-726, IC-728, IC-729, IC-735, IC-376, IC-737, IC-738, IC-7400, IC-746(all), IC-756(all), IC-761, IC-765, IC-775, IC-78, IC-7800, IC-781, IC-820, IC-821, IC-910, IC-970, IC-R10, IC-R7000, IC-R7100, IC-R72, IC-R75, IC-R8500 and IC-9000L.