The SCZ-0520831609-SFSF-43 from ERAVANT is a 90 Degree Hybrid Coupler with Frequency 0.5 to 8 GHz, Average Power 20 W (CW), Insertion Loss 2.2 dB, Isolation 16 dB, Coupling 3 dB. Tags: Module with Connectors. More details for SCZ-0520831609-SFSF-43 can be seen below.