The Qh-30-300-S from I.F. Engineering is a 90 Degree Hybrid Coupler with Frequency 30 to 300 MHz, Average Power 3 W, Insertion Loss 1.25 dB, Isolation 20 dB, Amplitude Balance ± 0.5 dB. Tags: Module with Connectors. More details for Qh-30-300-S can be seen below.