The QHC8-2000-18000-30-S from Qualwave is a 180 Degree Hybrid Coupler with Frequency 2 to 18 GHz, Average Power 30 W, Amplitude Balance ±0.7 dB, Phase Balance ±9 Degrees, Insertion Loss 2 dB. Tags: Module with Connector. More details for QHC8-2000-18000-30-S can be seen below.