The RMHY3.1000Sf from Response Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 500 MHz to 1 GHz, Average Power 100 W, Insertion Loss 0.3 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for RMHY3.1000Sf can be seen below.