The ornamental design for a wirelessantennashroud, as shown and described.
FIG. 1 is perspective view of a wireless antenna shroud showing my new design;
FIG. 2 is a front elevational view of the wireless antenna shroud;
FIG. 3 is a rear elevational view of the wireless antenna shroud;
FIG. 4 is a right side elevational view of the wireless antenna shroud, the left side elevational view being a mirror image thereof;
FIG. 5, is a top elevational view of the wireless antenna shroud, the bottom elevational view being a mirror image thereof; and,
FIG. 6 is a front elevational view of the wireless antenna shroud, shown in an alternate configuration of view.
The broken lines in the drawings illustrate portions of the wireless antenna shroud that form no part of the claimed design. The other broken lines in FIG. 6 represents environmental subject matter only and form no part of the claimed design.