The QHK-2-25.9G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 25.84 to 25.96 GHz, Coupling 3 dB, Power 5 W, Amplitude Balance 0.5 dB, Phase Balance ±7 Degrees. Tags: Module with Connectors. More details for QHK-2-25.9G SQ can be seen below.