The RQH180-2.0-18.0-Sf-20W-w18 from Raditek is a 180 Degree Hybrid Coupler with Frequency 2 to 18 GHz, Average Power 20 W, Amplitude Balance ±1.2 dB, Phase Balance ±16 Degree, Insertion Loss 1.6 to 2.5 dB. Tags: Module with Connector. More details for RQH180-2.0-18.0-Sf-20W-w18 can be seen below.