Non-invasive Radio Frequency Sensor

FIG. 1 is a front, upper perspective view of a third embodiment of a non-invasive radio frequency sensor according to our new design.

FIG. 2 is a rear, bottom perspective view thereof.

FIG. 3 is a front side view thereof.

FIG. 4 is a rear side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a right side view thereof.

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The dash-dash-dash broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.