The RMHY3.800-2500Nf from Response Microwave Inc is a 90 Degree Hybrid Coupler with Frequency 850 MHz to 2.5 GHz, Average Power 125 W, Insertion Loss 0.3 dB, Isolation 23 dB, Coupling 3 dB. Tags: Module with Connectors. More details for RMHY3.800-2500Nf can be seen below.