The CSM-10-13.5G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 13.25 to 13.75 GHz, Frequency Sensitivity ±0.15 dB, Coupling 10 dB, Coupling Variation ±1 dB, Power 1 W. Tags: Module with Connectors. More details for CSM-10-13.5G SQ can be seen below.