The CCN-30M-2G from Crane Aerospace & Electronics is a Directional Coupler with Frequency 1000 to 4000 MHz, Coupling 30 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.60 dB, Directivity 15 dB. Tags: Module with Connectors. More details for CCN-30M-2G can be seen below.