A remote monitoring system for telecommunication enclosures includes a low profile or flush mounted sealed transceiver or antenna unit, an electronic module inside of the enclosure electrically connected to the transceiver and a communication device to send signals to the electronic module through the transceiver. In a preferred embodiment, the distal segment has a tapering structure at its proximal end where the strings or filaments or struts converge at a connection point. In one embodiment, the secondary metal mask layer is formed using an electroless deposition process, and may include nickel, cobalt, gold,, palladium, cadmium silver, ruthenium, and alloys andor combinations thereof. The window is rotationally symmetric about an axis perpendicular to the interface between the head and the sample. The gasket can form a seal between the dual flush mechanism and a flush orifice of a flush valve.