The QHDZ-2Z-2.45G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 2.3 to 2.7 GHz, Average Power 25 W, Insertion Loss 0.35 dB, Isolation 20 dB, Coupling -3 dB. Tags: Surface Mount. More details for QHDZ-2Z-2.45G SQ can be seen below.