The CSDZ-10Z-5.5G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 5 to 6 GHz, Frequency Sensitivity ±0.25 dB, Coupling 10 dB, Coupling Variation ±1 dB, Power 25 W. Tags: Surface Mount. More details for CSDZ-10Z-5.5G SQ can be seen below.