The CSC-30-2.3G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 2.2 to 2.4 GHz, Frequency Sensitivity ±0.15 dB, Coupling 30 dB, Coupling Variation ±0.5 dB, Power 50 W. Tags: Module with Connectors. More details for CSC-30-2.3G SQ can be seen below.