The QHDZ-2X-0.9G from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 0.8 to 1 GHz, Average Power 30 W, Insertion Loss 0.35 dB, Isolation 20 dB, Coupling -3 dB. Tags: Surface Mount. More details for QHDZ-2X-0.9G can be seen below.