Product name:SM13-PS-U25D-H (PM13-U25D-H);Mode-field Diameter (μm):9.0 ± 0.5 μm @ 1310 nm;Attenuation:≤ 1.0 dB/km @ 1310 nm;Cutoff wavelength:1130 - 1270 nm;Beat Length:2.5 - 4.0 mm @ 1310 nm;Coating Structure:UV curable acrylate /Polyester e