We claim the ornamental design of a wireless wall reader, as shown and described.
FIG. 1 is a front view of a wireless wall reader.
FIG. 2 is a first perspective view of the wireless wall reader of FIG. 1.
FIG. 3 is a second perspective view of the wireless wall reader of FIG. 1.
FIG. 4 is a side view of a first side of the wireless wall reader of FIG. 1 corresponding to the left side of FIG. 1; and,
FIG. 5 is a side view of a second side of the wireless wall reader of Figure that is opposite the first side of FIG. 4, and corresponds to the right side of FIG. 1.
The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design. The shade lines in the Figures show contour or the flatness of a surface, and not surface ornamentation.