Yaesu ADMS-VX3-USB

Advanced Data Management System USB Kit with Software and New USB Cable - Version 4.00 Programmer 

Includes: - Windows based software for programming the memories and settings of the VX-3. (For Windows 2000, XP or Vista(32 or 64 bit).) 

AND - USB-57A (USB to 4-pin plug computer interface cable.) Version 4 works with the RTSystems USB cable only. 

It will NOT work with other cables.