The CHCU4U8U322T90 from Cernex Inc is a 90 Degree Hybrid Coupler with Frequency 400 to 800 MHz, Average Power 100 W, Insertion Loss 0.3 dB, Isolation 22 dB, Coupling 3 dB. Tags: Module with Connectors. More details for CHCU4U8U322T90 can be seen below.