FIG. 1 is an isometric view of a compact wireless intercom showing our new design;

FIG. 2 is a right elevational view thereof;

FIG. 3 is a left elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines, which define the bounds of the claimed design, form no part thereof. The broken line environmental showing is for illustrative purpose only and forms no part of the claimed design.