The CTM-10M-12G from Crane Aerospace & Electronics is a Directional Coupler with Frequency 7000 to 18000 MHz, Coupling 10 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±0.75 dB, Directivity 15 dB. Tags: Module with Connectors. More details for CTM-10M-12G can be seen below.