The HC-W030-MN from UMCC is a 180 Degree Hybrid Coupler with Frequency 0.03 to 10 MHz, Average Power 8 W, Peak Power 8 W, Coupling 3 dB, Amplitude Balance ± 0.3 dB. Tags: Module with Connector, 180 Degree Hybrid Couplers. More details for HC-W030-MN can be seen below.