A system to limit the transmission of electromagnetic radiation through one or more windows (16, 20, 80; 122; 130) penetrating an outer envelope of a mobile platform, the electromagnetic radiation being generated by wireless devices (22, 32) located within the outer envelope, said system comprising: an electromagnetic radiation shielding layer (18; 114; 150) applied to said window (16, 20, 80; 122, 130) and electrically grounded to said outer envelope; a plurality of wireless transceiver hubs (24, 34) located within the outer envelope in wireless communication with the wireless devices (22, 32); wherein each wireless transceiver hub (24, 34) comprises a picocell base station for communication with a plurality of wireless telephone handsets (22, 32); an off-board communication device located remote from the outer envelope in wireless communication with each of said transceiver hubs (24, 34); an outer envelope mounted antenna in communication with each transceiver hub (24, 34) via a transceiver, a router and a communication transceiver, for wirelessly linking each transceiver hub (24, 34) and said off-board communication device; said transceiver in communication with each said transceiver hub (24, 34); said router in communication with said transceiver; and said communication transceiver in communication between said router and said antenna; wherein the electromagnetic radiation shielding layer (18; 114; 150) comprises a conductive film including a conductive coating formed on a plastic, semi-transparent film; and wherein a bus bar which is electrically conductive and grounded to the outer envelope through an electrically conductive element is formed around the perimeter of the electromagnetic radiation shielding layer (18; 114; 150); and wherein the bus bar is applied to the same surface of the plastic, semi-transparent film on which the conductive coating is applied, wherein the bus bar is formed together with the conductive film and applied as an appliqué, and wherein the bus bar is thicker than the conductive coating of the conductive film. an electromagnetic radiation shielding layer (18; 114; 150) applied to said window (16, 20, 80; 122, 130) and electrically grounded to said outer envelope; a plurality of wireless transceiver hubs (24, 34) located within the outer envelope in wireless communication with the wireless devices (22, 32); wherein each wireless transceiver hub (24, 34) comprises a picocell base station for communication with a plurality of wireless telephone handsets (22, 32); an off-board communication device located remote from the outer envelope in wireless communication with each of said transceiver hubs (24, 34); an outer envelope mounted antenna in communication with each transceiver hub (24, 34) via a transceiver, a router and a communication transceiver, for wirelessly linking each transceiver hub (24, 34) and said off-board communication device; said transceiver in communication with each said transceiver hub (24, 34); said router in communication with said transceiver; and said communication transceiver in communication between said router and said antenna; wherein the electromagnetic radiation shielding layer (18; 114; 150) comprises a conductive film including a conductive coating formed on a plastic, semi-transparent film; and wherein a bus bar which is electrically conductive and grounded to the outer envelope through an electrically conductive element is formed around the perimeter of the electromagnetic radiation shielding layer (18; 114; 150); and wherein the bus bar is applied to the same surface of the plastic, semi-transparent film on which the conductive coating is applied, wherein the bus bar is formed together with the conductive film and applied as an appliqué, and wherein the bus bar is thicker than the conductive coating of the conductive film.