Antenna

FIG. 1 is a front view of an antenna according to my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a perspective view, from the top left corner, thereof;

FIG. 8 is a perspective view, from the top right corner, thereof;

FIG. 9 is a perspective view, from the bottom left corner, thereof; and,

FIG. 10 is a perspective view, from the bottom right corner, thereof.

The broken lines illustrate portions of the article and form no part of the claimed design.