The QHM-2-11.73G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 10.7 to 12.75 GHz, Average Power 5 W, Insertion Loss 0.5 dB, Isolation 20 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-2-11.73G SQ can be seen below.