The CTM-10-12G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 6000 to 18000 MHz, Coupling 10 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±1 dB, Directivity 14 dB. Tags: Module with Connectors. More details for CTM-10-12G SQ can be seen below.