The QHC9-225-400-50-S from Qualwave is a 90 Degree Hybrid Coupler with Frequency 225 to 400 MHz, Average Power 50 W, Insertion Loss 0.3 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QHC9-225-400-50-S can be seen below.