Navi2Go gives you turn by turn navigation but the Mogul 6800 doesnt have a built in GPS...SO, you can get one on these websites and then the application will be able to read your position.
- http://www.buygpsnow.com/
- http://www.semsons.com/bluetgpsrec.html
- http://www.amazon.com/s/ref=nb_ss_e?url=search-alias%3Delectronics&field-keywords=bluetooth+gps&x=0&y=0