The ZDSS-5G6G-S+ from Mini-Circuits is a suspended substrate stripline diplexer that operates from DC to 20 GHz. It has an insertion loss of under 3 dB with more than 20 dB of rejection over the band and a return loss of 8 dB. The Diplexer can handle up to 3 watts of power. It is available in a connectorized module with SMA female connectors and is ideal for radar and test & measurement applications.