The RMHY3.100-450Nf from Response Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 100 to 450 MHz, Average Power 100 W, Peak Power 3 kW, Insertion Loss 0.7 dB, Isolation 18 dB. Tags: Module with Connectors. More details for RMHY3.100-450Nf can be seen below.