The QHM-4R-4.7G from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 500 to 9000 MHz, Average Power 1 W, Insertion Loss 1.3 dB, Isolation 18 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-4R-4.7G can be seen below.