The FMCP1154 from Fairview Microwave is a 180 Degree Hybrid Coupler with Frequency 1.4 to 6 GHz, Average Power 30 W, Peak Power 300 W, Coupling 3 dB, Amplitude Balance 0.4 to 0.1 dB. Tags: Module with Connector, 180 Degree Hybrid Coupler. More details for FMCP1154 can be seen below.