US D650809 S1
The ornamental design for a receiver unit, as shown and described.
FIG. 1 is a front elevational view of a receiver unit showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof; and,
FIG. 6 is a rear elevational view thereof.
The broken lines depict environmental non-claimed portions of the design and form no part of the claimed design.