ST fiber optic Attenuator 1,We are the manufacture 2,Competitive ... ,Good quality 4,we are also the OEM of IBM ST fiber optic Attenuator Feature :Attenuation:1dB-30dBAttenuation accuracy:≤5dB -±0 ... ):95% RHConfirm to the ROHS standardConnector avilable :FC,LC,SC,ST,MU etc ST fiber optic Attenuator