The QHK-4R-26.7G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 26.2 to 27.2 GHz, Coupling 3 dB, Power 1 W, Amplitude Balance 1.5 dB, Phase Balance ±10 Degrees. Tags: Module with Connectors. More details for QHK-4R-26.7G SQ can be seen below.