The PE2CP1155 from Pasternack Enterprises Inc is a 180 Degree Hybrid Coupler with Frequency 2 to 4 GHz, Average Power 50 W, Peak Power 1 kW, Coupling 3 dB, Amplitude Balance 0.3 to 0.5 dB. Tags: Module with Connector. More details for PE2CP1155 can be seen below.