LC fiber optic patch cord Parameter for connectorsParameterTechnical SpecificationGeometrical parameters of polished ferrulesCurvature radius(mm)7-25(for 1.25mm PC connectors)5-12(for 1.25 mm APC connectors)Apex offset(um)≤50Fiber (nm)±50nmCable retention(N)≥100Return loss (dB) (At 1310 &1550nm)≥50(PC)≥60(APC)Insertion loss(dB) (At 1310 &1550nm)≤0.2Temperature range()-40+80Mechanical durability(Times)≥1000