1X2 single mode fused couplers are all-fiber devices, which are developed successfully by using our unique fusion technology. They can be used not only as multi-channel combiner, but also multi-channel splitter of optical signal. They also have low excess loss and good spectrum flatness. With the automatic equipment and mature technology, the product can be manufactured on a large scale. Specifications: Coupling No. : 1X2,1X3,1X4, . . . . . .1XN Coupling ratio : 50/50,30/30/40,25/25/25/25, . . . . . . . client defined Connector type : ST, SC, FC Connector polishing type : PC, UPC, APC