FIG. 1 is a perspective view of a portion of a portable radio telephone showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof from the side opposite that of FIG. 2;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The claimed surfaces of the face of the portable radio telephone continue up to, but do not include, the broken line outlines of the individual keys, speaker, and other broken line features. The broken line showings of arrows on the large central button and of the display screen are shown superimposed on top of continuous, claimed surfaces and are employed for illustrative purposes. The broken line disclosure forms no part of the claimed design.