The CSC-20-2.25G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 2.1 to 2.4 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Power 30 W, Directivity 20 dB. Tags: Module with Connectors. More details for CSC-20-2.25G SQ can be seen below.