The RMHY3.8000-124000Sf from Response Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 8000 to 12400 MHz, Insertion Loss 0.4 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for RMHY3.8000-124000Sf can be seen below.