The QHZ-2A Series from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 20 to 1200 MHz, Average Power 1 W, Insertion Loss 0.3 to 0.7 dB, Isolation 20 to 25 dB, Coupling -3 dB. Tags: Surface Mount. More details for QHZ-2A Series can be seen below.