The CSM-30-17.82G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 17.3 to 18.4 GHz, Frequency Sensitivity ±0.75 dB, Coupling 30 dB, Coupling Variation ±1.25 dB, Power 10 W. Tags: Module with Connectors. More details for CSM-30-17.82G SQ can be seen below.