15' is no problem for any of the KBs I've tried. Do they actually say the range is a few feet? I used to take my roomate's Logitech KB and lock myself in a neighboring room, trying to do things while he fought me with the mouse. It was a good 20 ft.

-Philip Maynard '95 Contour [71 STS | Track Whore] '97 Miata [71 ES | Boulevard Pimp] 2006 autocross results