The QHM-4R-16G from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 6000 to 26500 MHz, Average Power 1 W, Insertion Loss 1.2 dB, Isolation 14 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-4R-16G can be seen below.