The CSM-6-3.8G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 3.75 to 3.8 GHz, Coupling 6 dB, Coupling Variation ±0.5 dB, Power 10 W, Directivity 20 dB. Tags: Module with Connectors. More details for CSM-6-3.8G SQ can be seen below.