The 7404.31.0001 from HUBER+SUHNER is a 90 Degree Hybrid Coupler with Frequency 0.694 to 2.7 GHz, Average Power 400 W, Peak Power 2 kW, Insertion Loss 3.05 dB, Isolation 25 dB. Tags: Module with Connectors. More details for 7404.31.0001 can be seen below.