The RMHY3.2000Sf from Response Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 1.7 to 2 GHz, Insertion Loss 0.3 dB, Isolation 18 dB, Coupling 3 dB, VSWR 1.20:1. Tags: Module with Connectors. More details for RMHY3.2000Sf can be seen below.