The JDWDF1819H165 from Jezetek is a WR42 waveguide duplexer that operates in L channel from 17.700 GHz to 18.140 GHz and H channel from 19.260 GHz to 19.700 GHz. It has a pass band insertion loss of 0.6 dB, an isolation of 65 dB and a pass band return loss of 18 dB. The duplexer is available in a module that measures 70 x 85 x 27 mm with SMA Female Connectors.
