The QHC8-4000-10000-30-S from Qualwave is a 180 Degree Hybrid Coupler with Frequency 4 to 10 GHz, Average Power 30 W, Frequency Sensitivity ±0.8 dB, Phase Balance ±10 Degrees, Directivity 18 dB. Tags: Module with Connector. More details for QHC8-4000-10000-30-S can be seen below.