The QHC8-18000-50000-20-2 from Qualwave is a 180 Degree Hybrid Coupler with Frequency 18 to 50 GHz, Average Power 20 W, Amplitude Balance ±1.4 dB, Phase Balance ±14 Degrees, Insertion Loss 3.8 dB. Tags: Module with Connector. More details for QHC8-18000-50000-20-2 can be seen below.