The QHC9-4000-18000-K1-S from Qualwave is a 90 Degree Hybrid Coupler with Frequency 4000 to 18000 MHz, Average Power 100 W, Insertion Loss 1.4 dB, Isolation 15 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QHC9-4000-18000-K1-S can be seen below.