This is a really neat device that runs on Windows and Linux. The DV4MINI is a USB stick containing 70 cm data transceiver. Works with D-Star, DMR, Fusion, APCO25, DPMR and other digital modes which are based on GMSK, 2FSK or 4FSK.
http://wirelesshold.com/
This ham has a great blog and has tons of fun projects you can do with this dongle.
