The HYB-5320-03-NNN-79 from Cinch Connectivity Solutions is a 90 Degree Hybrid Coupler with Frequency 500 to 2000 MHz, Average Power 50 W, Insertion Loss 0.7 dB, Isolation 19 dB, Coupling 3 dB. Tags: Module with Connectors. More details for HYB-5320-03-NNN-79 can be seen below.