The QHM-4R-11G from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 4000 to 18000 MHz, Average Power 1 W, Insertion Loss 1 dB, Isolation 16 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-4R-11G can be seen below.