fiber optic patch cord 1,FC,SC,LC,ST,MTRJ,MU etc. optional 2,PC,UPC,APC polishing 3,Low insertion loss,high return loss Applications:CATVTelecommunication networksActive device terminationFeatures:Low insertion loss and back reflaction lossExcellent durabilityExchgeability convenientlyHigh temperature stability FC-PC Fiber Optic Pacth Cord