... insertion&back reflection loss 2.Good exchangeability&durability 3.High temperature stability Features:1) Superior qualified standard PC ... fiber available;6) FC, SC, LC, MU, ST, MT-RJ, etc connector7) Simplex and duplex connector ... Single-mode ,Multi-mode Type FC,LC,SC,ST,MU,MTRJ,MPO,E2000 Polishing APC,UPC,PC ... type:pc upc apcConnector type:SC ,FC ,LC ,ST ,MTRJ ,DIN ,D4,MU Fiber Optic Jumpers Features ...