US D588566 S1
The ornamental design for a communication device, as shown and described.
FIG. 1 is a perspective view of a communication device showing our new design.
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a first side view thereof.
FIG. 5 is a second side view thereof.
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown in FIGS. 1–7 that are immediately adjacent to the shaded areas represent the bound 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 claim design.