OEM factory price fiber optic connector 1.FCC,CE,ROHS match 2.OD:0.9,2.0,3.0mm etc 3.Core:1,2,4,6,12 ... ,1.8mm,2.0mm,2.4mm,2.8mm,3.0mm Technical Parameters : 1.Insertion Loss ( Single - Mode : PC ≤ 0.2 db ,APC ≤ 0.3 db ) . 2 ... . Return Loss ( Single - Mode : PC ≥ 50 db , APC ...