... a professional manufacturer of fiber optical patch cord products. FC/PC-SC/PC singlemode Duplex fiber optical patch cordGST is a professional ... manufacturer of fiber optical patch cord products.Connector type polishing ... m, 3 m, 5 m(3.28 ft, 6.56 ft, 9.84 ft, 16.4 ft) Technical CharacteristicsInsertion Loss < 0.3 dBReturn Loss ...