The HYB004-25-8 from Sirius Microwave is a 90 Degree Hybrid Coupler with Frequency 0.04 to 25 MHz, Average Power 1 W, Insertion Loss 0.6 dB, Isolation 30 dB, Coupling 3 dB. Tags: Module with Connectors. More details for HYB004-25-8 can be seen below.