The QHF-3-.300G from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 90 to 500 MHz, Average Power 200 W, Peak Power 1 kW, Insertion Loss 0.5 to 0.7 dB, Isolation 17 dB. Tags: Flatpack. More details for QHF-3-.300G can be seen below.