Optical Splitter 1*2 SM 1310/1550 Fused Splitter 1.tube type,3.0*54mm steel tube,1m length 2.with SC connector, Optical SplitterFeaturesApplications ... -Package-Pigtail Type-Pigtail Length-ConnectorType TypeS=Coupler A=In-Line Attenuator W=WDMPort0101=1x1, 0102=1x2, ..., 0404=4x4, ..., ... plastic caseB53x60 steel tubeXU19'' x=1,2,3,4 U Rack MountD90x20x9.5 plastic caseXGX=1,2,3,4 U LGX box