FIG. 1 is a front view of a communication device with a foldable antenna showing my design;

FIG. 2 is a back view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an opposite side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 shows a front perspective view of the communication device of my design; and,

FIG. 8 shows a back perspective view of the communication device of my design with the foldable antenna in a extended position.

The broken lines shown herein are for illustrative purposes only and form no part of the claimed design.