... light transmission networkDataTransmission network, various kinds of testing and self-control systemRealize connection of transmission of fiber opticalPC,UPC, APC polishingInsert Loss ≤ 0.3dBReturn Loss ... , PONOptical CATVLocal ring netOptical fiber communication systemOptical fiber test equipmentOptical fiber sensor3.Order information:Fiber connector 1: FC,ST,SC,LC,MU,MTRJ,SMA,DIN ...