TESAT's Output Multiplexer (OMUXes) are designed and produced in different technologies to meet customer demands. The classical OMUX technology based on Invar filter is complemented with the upcoming Aluminium technology to provide high power-handling capability in Ku- and Ka-Band. Diplexers combining output signals of OMUXes to increase the number of channels per antenna. To reduce footprint and integration effort on the Payload, TESAT provides assemblies with three or more layers. These highly integrated subunits can be configured and designed to customer specifications.