FIG. 1 is a front, bottom and left side perspective view of the portable radiotelephone showing our new design with a closed cover;

FIG. 2 is a front, bottom and left side perspective view of the portable radiotelephone showing our new design with an open cover;

FIG. 3 is a top side view of the portable radiotelephone;

FIG. 4 is a back side view of the portable radiotelephone; and,

FIG. 5 is a right side view of the portable radiotelephone.

The broken line matter in all figures is for illustrative purposes only and forms no part of the claimed design.