The CHC01120120K90 from Cernex Inc is a 90 Degree Hybrid Coupler with Frequency 1 to 12.4 GHz, Average Power 20 W, Insertion Loss 1.4 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for CHC01120120K90 can be seen below.