A gasket assembly structure including a frame which includes a front half and a back half joined together with a plurality of interlocking tabs located around a perimeter of the frame, defining a window, and an electromagnetic gasket, constrained between the front half and the back half of the frame; where the electromagnetic gasket lines an interior perimeter of the window and partially extends from the frame into the window, and a passageway through the window of the frame with boarders defined by the constrained electromagnetic gasket. A housing structure including a receptacle recessed within an opening on a front side of the housing, the receptacle is rigidly attached to the housing, and a gasket assembly recessed within the opening and located between the front side of the housing and the receptacle, where the gasket assembly is directly secured to the housing.