The PCH-180-3D13D5-SFF from Quantic PMI (Planar Monolithics) is a 180 Degree Hybrid Coupler with Frequency 3.1 to 3.5 GHz, Average Power 50 W, Peak Power 1 kW, Coupling 3 dB, Amplitude Balance ±0.3 dB. Tags: Module with Connector. More details for PCH-180-3D13D5-SFF can be seen below.