The CSM-23-12G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 10 to 14 GHz, Frequency Sensitivity ±0.8 dB, Coupling 23 dB, Coupling Variation ±1 dB, Power 20 W. Tags: Module with Connectors. More details for CSM-23-12G SQ can be seen below.