The QHM-2-5.4 SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 5.25 to 5.56 GHz, Coupling 3 dB, Power 5 W, Amplitude Balance 0.4 dB, Phase Balance ±2 Degrees. Tags: Module with Connectors. More details for QHM-2-5.4 SQ can be seen below.