The QHK-2-30G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 29.5 to 30 GHz, Average Power 5 W, Insertion Loss 0.8 dB, Isolation 18 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHK-2-30G SQ can be seen below.