The RQH-200-550M-S(f)-100W-z4 from Raditek is a 90 Degree Hybrid Coupler with Frequency 200 to 550 MHz, Average Power 100 W, Insertion Loss 4.0 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for RQH-200-550M-S(f)-100W-z4 can be seen below.