The RQH-200-550M-3dB-xx-50W-s from Raditek is a 90 Degree Hybrid Coupler with Frequency 200 to 550 MHz, Average Power 50 W, Isolation 20 dB, Coupling 3 dB, Coupling Variation ±0.7 dB. Tags: Module with Connectors. More details for RQH-200-550M-3dB-xx-50W-s can be seen below.