The CSM-10M-10G from Crane Aerospace & Electronics is a Directional Coupler with Frequency 7000 to 12400 MHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.5 dB, Directivity 17 dB. Tags: Module with Connectors. More details for CSM-10M-10G can be seen below.