FIG. 1 is a top, front, right perspective view of a modular data communication device of the new design;
FIG. 2 is a top, front, left perspective view thereof;
FIG. 3 is a top, rear, left perspective view thereof;
FIG. 4 is a bottom, rear, left perspective view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a front view thereof;
FIG. 7 is a right view thereof;
FIG. 8 is a left view thereof;
FIG. 9 is a bottom view thereof; and,
FIG. 10 is a top view thereof.