Navigation Device

FIG. 1 is a top view of a navigation device;

FIG. 2 is a left side view of the navigation device;

FIG. 3 is a front view of the navigation device;

FIG. 4 is a right side view of the navigation device;

FIG. 5 is a bottom view of the navigation device;

FIG. 6 is a rear view of the navigation device; and,

FIG. 7 is a rear left-side perspective view of the navigation device.

The broken lines, which show elements of the navigation device, are for the purpose of illustrating portions of the article or environmental structure and form no part of the claimed design.