The DBHB1804001800A from Qotana is a 180 Degree Hybrid Coupler with Frequency 4 to 18 GHz, Average Power 50 W, Peak Power 0.5 kW, Coupling 3 dB, Amplitude Balance ±0.6 to 1 dB. Tags: Module with Connector. More details for DBHB1804001800A can be seen below.