The QHF-23A Series from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 1 to 1250 MHz, Average Power 1 W, Insertion Loss 0.3 to 0.75 dB, Isolation 18 to 25 dB, Coupling -3 dB. Tags: Flatpack. More details for QHF-23A Series can be seen below.