The QHC9-4400-6800-K16-S from Qualwave is a 90 Degree Hybrid Coupler with Frequency 4400 to 6800 MHz, Average Power 160 W, Insertion Loss 0.35 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QHC9-4400-6800-K16-S can be seen below.