The QHM-2-1.9G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 1.5 to 2.3 GHz, Average Power 5 W, Insertion Loss 0.25 dB, Isolation 23 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-2-1.9G SQ can be seen below.