FIG. 1 is a front elevational view of the data card showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being symmetrical to the left side elevational view; and,

FIG. 3 is a top plan view thereof.

The ornamental design is placed on the front of a data card to a mobile radiophone.

The back and bottom of the data card are unornamented. The broken line illustration in the drawing disclosure is not part of the design sought to be patented.