The CHC02120118T90 from Cernex Inc is a 90 Degree Hybrid Coupler with Frequency 2 to 12.4 GHz, Average Power 20 W, Insertion Loss 1.2 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for CHC02120118T90 can be seen below.