duplex fiber optic 1.Low insertion&back reflection ... ) fiber available;6) FC, SC, LC, MU, ST, MT-RJ, etc connector7) Simplex and duplex connector available;8) Good exchange ... ability and good durability;9) Available ... .Cable diameter(mm):0.9 2.0 3.0Fiber type:pc upc apcConnector type:SC ,FC ,LC ,ST ,MTRJ ,DIN ,D4 ...