https://www.engadget.com/2008-11-03-navigon-launches-5100-max-2090s-gps-units-at-radioshack.html
Navigon launches 5100 max / 2090S GPS units at RadioShack
Nov 3, 2008 - We had a respectable hunch that Navigon's 5100 max would be hitting US shelves in short order, but we weren't aware that it'd be launching alongside a friend....
gps unitsnavigonlaunchesmaxradioshack