The QHK-2-25.9G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 25.84 to 25.96 GHz, Average Power 5 W, Insertion Loss 1 dB, Isolation 17 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHK-2-25.9G SQ can be seen below.