The HYB-5321-X3-SMA-79 from Cinch Connectivity Solutions is a 90 Degree Hybrid Coupler with Frequency 500 to 4000 MHz, Average Power 30 W, Insertion Loss 1.2 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for HYB-5321-X3-SMA-79 can be seen below.