FIG. 1 is a perspective view of a transmitter showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a side elevational view of one side thereof;
FIG. 5 is a side elevational view of the opposite side thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showings of the circles, lozenge shapes, arcs and rectangles and portions thereof depict environmental subject matter and form no part of the claimed design.