The ThumbDV™ is for use with computers having a USB port. It is an inexpensive way for you to get on D-STAR.
ThumbDV™ Resource Page can be found at:
http://nwdigitalradio.com/thumbdv-and-dv3000-resource-page/
Configure Win-DV to work with the ThumbDV™:
http://nwdigitalradio.com/windv-configuration/
When you get your ThumbDV or other dongle, you need to register on the D-STAR system. Here’s where you do it: