The CYK-10R-26G from Crane Aerospace & Electronics is a Directional Coupler with Frequency 6000 to 46000 MHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1 to 1.5 dB, Directivity 12 to 18 dB. Tags: Module with Connectors. More details for CYK-10R-26G can be seen below.