The CSM-10-12G SQ from Crane Aerospace & Electronics is a Directional Coupler with Frequency 10000 to 14000 MHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.8 dB, Directivity 18 dB. Tags: Module with Connectors. More details for CSM-10-12G SQ can be seen below.