The QHM-6-42 from Crane Aerospace & Electronics is a 90 Degree Hybrid Coupler with Frequency 3.5 to 80 MHz, Average Power 1 W, Insertion Loss 1 to 1.5 dB, Isolation 20 dB, Coupling -3 dB. Tags: Module with Connectors. More details for QHM-6-42 can be seen below.