The FMCP1148 from Fairview Microwave is a 90 Degree Hybrid Coupler with Frequency 20 to 40 GHz, Average Power 20 W, Peak Power 300 W, Insertion Loss 1.6 to 2 dB, Isolation 12 to 15 dB. Tags: Module with Connectors. More details for FMCP1148 can be seen below.