The ornamental design for a compactantennamodule, as shown and described.
FIG. 1 is a perspective top left view of a compact antenna module according to the present invention;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a left side elevational view showing the compact antenna module in use, mounted on a trunk lid of a vehicle.
The broken lines shown in FIG. 7 illustrate environmental subject matter only, such as a trunk lid and part of a vehicle, and form no part of the claimed design.