The QHC9-1745-2125-K2 from Qualwave is a 90 Degree Hybrid Coupler with Frequency 1745 to 2125 MHz, Average Power 200 W, Insertion Loss 0.3 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QHC9-1745-2125-K2 can be seen below.