The QHM-2-3.8G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 3.3 to 4.3 GHz, Coupling 3 dB, Power 5 W, Amplitude Balance 0.2 dB, Phase Balance ±3 Degrees. Tags: Module with Connectors. More details for QHM-2-3.8G SQ can be seen below.