The FM2CP1133-20 from Fairview Microwave is a Directional Coupler with Frequency 2 to 40 GHz, Coupling 19 to 21 dB, Frequency Sensitivity ±0.5 to 1 dB, Directivity 10 to 14 dB, Average Power 30 W. Tags: Module with Connectors. More details for FM2CP1133-20 can be seen below.