The ornamental design for a datacommunicationdevice, as shown and described.
FIG. 1 is a from, top and right side perspective view of a data communication device showing our new design;
FIG. 2 is a rear, top and left side perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is an enlarged view showing a portion defined by 6-6 in FIG. 4;
FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 6; and,
FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 4.
The broken lines illustrate portions of a data communication device and form no part of the claimed design. The dash-dot lines define the bounds of the claim and form no part of the claimed design.