The CTM-20-1.25G SQ from Crane Aerospace & Electronics is a Space Qualified Coupler with Frequency 50 MHz to 2 GHz, Frequency Sensitivity ±1 dB, Coupling 20 dB, Coupling Variation ±1 dB, Power 10 W. Tags: Module with Connectors. More details for CTM-20-1.25G SQ can be seen below.