The WMQH-4-8-S from Werbel Microwave is a 90 Degree Hybrid Coupler with Frequency 4 to 8 GHz, Average Power 50 W, Insertion Loss 3.2 dB, Isolation 16 to 23 dB, Coupling 3 dB. Tags: Module with Connectors. More details for WMQH-4-8-S can be seen below.