The RQH-2.0-18.0-20W-Sf-w18 from Raditek is a 90 Degree Hybrid Coupler with Frequency 2 to 18 GHz, Average Power 20 W, Insertion Loss 1.8 dB, Isolation 14 dB, Coupling 3 dB. Tags: Module with Connectors. More details for RQH-2.0-18.0-20W-Sf-w18 can be seen below.