The CDM-30-5.212G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 5.179 to 5.245 GHz, Frequency Sensitivity ±0.8 dB, Coupling 30 dB, Coupling Variation ±1.25 dB, Power 20 W. Tags: Module with Connectors. More details for CDM-30-5.212G SQ can be seen below.