aviolet radiationThe following measures are taken to ensure the cable watertight:- Steel wire used as the central strength member- Loose tube filling compound- cable core filling- PSP enhancing moisture-proofStandards:GYTS cable complies with Standard YD/T 901-2001as well as IEC 60794-1Optical Characteristics:G.652G.65550/125 m62.5/125 mAttenuation(+20 )@850nm3.0 dB/km3.0 dB/km@1300nm1.0 dB/km1.0 dB/km@1310nm0.36 dB/km0.40 dB/km@1550nm0.22 dB/km0.23dB/kmBandwidth (Class A)@850nm500 MHz km200 MH