The CTM-10M-1.25G from Crane Aerospace & Electronics is a Directional Coupler with Frequency 500 to 2000 MHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.75 dB, Directivity 23 dB. Tags: Module with Connectors. More details for CTM-10M-1.25G can be seen below.