The FM2CP1127-10 from Fairview Microwave is a Directional Coupler with Frequency 1 to 67 GHz, Coupling 9 to 13.5 dB, Frequency Sensitivity ±0.5 to 1.5 dB, Directivity 8 to 16 dB, Average Power 20 W. Tags: Module with Connectors. More details for FM2CP1127-10 can be seen below.