A coated pane having a communication window, having: a. a base pane, b. a coating containing metal, c. a first grid plane and a second grid plane within the coating containing metal, wherein the first grid plane and the second grid plane have areas in which the coating is removed, in form of grid lines arranged in the manner of a mesh, the grid lines in the first grid plane on at least one long side transition into an open comb structure having teeth and the grid lines in the second grid plane on at least one long side transition into a closed comb structure, wherein the first grid plane is connected by means of at least one tooth of the open comb structure to the closed comb structure of the second grid plane.