The RFDC9M9G35 from RF-Lambda is a Directional Coupler with Frequency 900 to 9 GHz, Coupling 34.5 to 36.5 dB, Frequency Sensitivity ±0.5 to ±1 dB, Directivity 11 to 18 dB, Average Power 250 W. Tags: Module with Connectors. More details for RFDC9M9G35 can be seen below.