The RMHY3.2-18Sf from Response Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 2 to 18 GHz, Average Power 50 W, Peak Power 3 kW, Insertion Loss 1.5 dB, Isolation 16 dB. Tags: Module with Connectors. More details for RMHY3.2-18Sf can be seen below.