The QHDZ-2N-0.45G SQ from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 380 to 520 MHz, Average Power 200 W, Insertion Loss 0.2 to 0.3 dB, Isolation 20 to 23 dB, Coupling -3 dB. Tags: Surface Mount. More details for QHDZ-2N-0.45G SQ can be seen below.