The ornamental design for a portable wireless basestationequipment, as shown and described.
FIG. 1 is front view of a portable wireless base station equipment showing our new design;
FIG. 2 is rear view of the design shown in FIG. 1;
FIG. 3 is a right side view of the design shown in FIG. 1;
FIG. 4 is a left side view of the design shown in FIG. 1;
FIG. 5 is a top view of the design shown in FIG. 1; and,
FIG. 6 is a bottom view of the design shown in FIG. 1.
The broken lines shown in the figures are included for the purpose of illustrating portions of the portable wireless base station equipment and form no part of the claimed design.