FIG. 1 is a top perspective view of a router interface card of the present invention;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a back elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. Any broken or phantom lines in the drawings form no part of the claimed design. Specifically, the broken lines showing environment are for illustrative purposes only and form no part of the claimed design.