... at 1310nm Attenuation minimum at 1550nm Meet 1310nm or 1550nm single serial port, 1310nm and 1550nm dual window requirementsLow attenuation, low ... low operating requirements of 1310nm and 1550nm windowThe low polarization mode dispersion to meet the high-speed,long-distance transmission requirementsCoating ... .0%Core / cladding concentricity error ≤0.5μm Matched clad single mode fiber cable