The HYB-5311-X3-NNN-79 from Cinch Connectivity Solutions is a 90 Degree Hybrid Coupler with Frequency 1000 to 2000 MHz, Average Power 50 W, Insertion Loss 0.3 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors. More details for HYB-5311-X3-NNN-79 can be seen below.