The FMCP1158 from Fairview Microwave is a 180 Degree Hybrid Coupler with Frequency 2 to 18 GHz, Average Power 50 W, Peak Power 500 W, Coupling 3 dB, Amplitude Balance 0.8 to 1 dB. Tags: Module with Connector, 180 Degree Hybrid Coupler. More details for FMCP1158 can be seen below.