The Q3XG-3000R-SMA from Electro-Photonics LLC is a 90 Degree Hybrid Coupler with Frequency 2 to 4 GHz, Average Power 30 W, Insertion Loss 0.35 dB, Isolation 25 dB, Coupling 3 dB. Tags: Module with Connectors. More details for Q3XG-3000R-SMA can be seen below.