... test equipment. Oppton's 1x2,1x3,1x4,1x5,1x6,1x7,1x8......Single window/Dual window FBT Coupler/splitter family has wide chooice ... .different package or special Mini package are avalible. FBT Coupler/Splitter Single mode Dual window wideband fiber coupler(FBT Coupler ... ports FTTH fiber distribution box 8/16/32 ports FTTH splitter box SC fast connector(Field quick assembly connector) Fiber mechanical ...