The CHCU7180420T180 from Cernex Inc is a 180 Degree Hybrid Coupler with Frequency 750 MHz to 18 GHz, Average Power 20 W, Coupling 3 dB, Insertion Loss 4.6 dB, Isolation 20 dB. Tags: Module with Connector. More details for CHCU7180420T180 can be seen below.