FIG. 1 is a perspective view of a first embodiment of an ornamental design for a communication device.

FIG. 2 is a front view of the first embodiment thereof.

FIG. 3 is a rear view of the first embodiment thereof.

FIG. 4 is a first side view of the first embodiment thereof.

FIG. 5 is a second side view of the first embodiment thereof.

FIG. 6 is a top view of the first embodiment thereof.

FIG. 7 is a bottom view of the first embodiment thereof.

FIG. 8 is a perspective view of a second embodiment of an ornamental design for a communication device.

FIG. 9 is a front view of the second embodiment thereof.

FIG. 10 is a rear view of the second embodiment thereof.

FIG. 11 is a first side view of the second embodiment thereof.

FIG. 12 is a second side view of the second embodiment thereof.

FIG. 13 is a top view of the second embodiment thereof; and,

FIG. 14 is a bottom view of the second embodiment thereof.

The broken lines shown in FIGS. 1–14, that are immediately adjacent the shaded areas and encompass non-shaded regions, 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 in the embodiment in which they are shown.