The QHC9-1500-1700-K3 from Qualwave is a 90 Degree Hybrid Coupler with Frequency 1500 to 1700 MHz, Average Power 300 W, Insertion Loss 0.4 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QHC9-1500-1700-K3 can be seen below.