We claim the ornamental design for a wireless receiver, as shown and described.
FIG. 1 is a perspective view from a front side of the wireless receiver;
FIG. 2 is a perspective view from a rear side of the wireless receiver;
FIG. 3 is a front view of the wireless receiver;
FIG. 4 is a rear view of the wireless receiver;
FIG. 5 is a left side view of the wireless receiver;
FIG. 6 is a right side view of the wireless receiver;
FIG. 7 is a top plan view of the wireless receiver;
FIG. 8 is a bottom plan view of the wireless receiver; and,
FIG. 9 is perspective view of the wireless receiver shown in a state in use with attached antennas and a shoe mount for attachment to an article such as a camera or tripod.
The broken lines in FIG. 9 showing the antennas and the shoe mount depict environment and form no part of the claim. The broken lines in FIGS. 2, 4, and 6 depict portions of the wireless receiver that form no part of the claim.