The QHM-2-19.3G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 18.4 to 20.2 GHz, Average Power 5 W, Insertion Loss 0.7 dB, Isolation 18 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-2-19.3G SQ can be seen below.