The FM2CP1125-30 from Fairview Microwave is a Directional Coupler with Frequency 8 to 40 GHz, Coupling 29 to 31 dB, Frequency Sensitivity ±1 dB, Directivity 10 to 12 dB, Average Power 30 W. Tags: Module with Connectors. More details for FM2CP1125-30 can be seen below.