The QC-8018 from Quantic PMI (Planar Monolithics) is a 90 Degree Hybrid Coupler with Frequency 8 to 18 GHz, Average Power 50 W, Insertion Loss 0.3 to 0.60 dB, Isolation 14 dB, Coupling 3 Db. Tags: Module with Connectors. More details for QC-8018 can be seen below.