... and StabilityZirconia or Phosphor Bronze SleeveSingle mode, Multi-mode VersionsVarious Types of Connectors FC,SC,ST,MU,LC,MTRJ,MPOLow ... Ceramic Ferrule BoresSpecificationInsertion Loss Single Mode PC≤0.3dB,UPC≤0.2dB,APC≤0.2dB Multi-mode PC≤0.3dB Hybrid ... Order Information Common AdaptersConnector TypeCeramic Ferrule Bore End FaceSingle mode/Multi-modeRemarkFCPC/UPC/APCSM/MMRound,Square,Split Square, ...