The QHC8-1000-18000-30-S from Qualwave is a 180 Degree Hybrid Coupler with Frequency 1 to 18 GHz, Average Power 30 W, Amplitude Balance ±1 dB, Phase Balance ±10 Degrees, Insertion Loss 3.3 dB. Tags: Module with Connector. More details for QHC8-1000-18000-30-S can be seen below.