The CHCU3U5U225T90 from Cernex Inc is a 90 Degree Hybrid Coupler with Frequency 380 to 520 MHz, Average Power 100 W, Insertion Loss 0.2 dB, Isolation 25 dB, Coupling 3 dB. Tags: Module with Connectors. More details for CHCU3U5U225T90 can be seen below.