4-Channel DWDM MUX+DEMUX Module, 200 G, ITU Channel PM Fused Coupler and its insertion loss is

and its insertion loss is below 1

The hybrid device is a combination of a tap coupler

The Singlemode Wavelength Division Multiplexers combine or separate light at different wavelenaths

The FRM1100-P has very low insertion loss

4-Channel DWDM MUX+DEMUX Module, 200 G, ITU Channel PM Fused Coupler and its insertion loss isThe module provides low insertion loss, high channel isolation, wide pass band, low temperature sensitivity and epoxy free optical path. It can be used in DWDM network, fiber optical amplifier and HFC fiberoptic system. FEATURESLow Insertion LossWide Pass BandHigh Stability and ReliabilityEpoxy Free Optical PathHigh Channel IsolationUSE INDWDM NetworkFiber Optical AmplifierHFC Fiberoptic System Lead Time: 1 2 Weeks Datasheet