... / UPC FC / UPC. SC/LC/ST/FC Optical Fiber Adapter/Flange Decription:Fiber Adapter (also known as the flange) is a ... , ST, LC, MTRJ, widely used in optical distribution frames (ODF), and optical fiber communications equipment, instrumentation, performance is stable and ... ≤0.2dB;Sleeve Material: ceramic sleeve or phosphor bronze sleeve;Insertion Loss ≤0.2dB. Main properties: 1.fiber adapter between the ...