The HC-W500-MB from UMCC is a 180 Degree Hybrid Coupler with Frequency 10 to to 500 MHz, Average Power 1 W, Peak Power 1 W, Coupling 3 dB, Amplitude Balance ± 0.2 dB. Tags: Module with Connector, 180 Degree Hybrid Couplers. More details for HC-W500-MB can be seen below.