... ,FC-FC,LC-LC 3.OD:0.9,2.0,3.0MM 4.1,2,4,6,12 Cores,ect Offer FCC,CE,ROHS,ISO9001 lc lc fiber optic patch cord duplex ... ≤ 0.3 db , Multi - Mode : PC ≤ 0.3 db ) . 2 . Return Loss ( Single - Mode : PC ≥ 50 db , APC ≥ 50 db , Multi - Mode : PC ≥ 45)3.Working ... to dial the number of : ≥ 1 , 000 timesFormulate for customer:1.Diameter:0.9 , 2.0 , 3.0 mm , etc2.Type: Single - Mode ( 9/125 ...