The CHC01180315K90 from Cernex Inc is a 90 Degree Hybrid Coupler with Frequency 1.7 to 18 GHz, Average Power 20 W, Insertion Loss 3.2 dB, Isolation 15 dB, Coupling 3 dB. Tags: Module with Connectors. More details for CHC01180315K90 can be seen below.