FIG. 1 is an isometric view of an ornamental design for a communication device showing our new design;

FIG. 2 is a rear orthographic view thereof;

FIG. 3 is a front orthographic view thereof;

FIG. 4 is a right side orthographic view thereof;

FIG. 5 is a left side orthographic view thereof;

FIG. 6 is a top orthographic view thereof; and,

FIG. 7 is a bottom orthographic view thereof.

The broken lines shown in FIGS. 1–7 that are immediately adjacent to the shaded areas represent the bounds of the claimed design, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.