The RFDC1M06G10 from RF-Lambda is a Directional Coupler with Frequency 0.1 to 18 GHz, Coupling 8.5 to 15 dB, Frequency Sensitivity ±0.7 to ±1.5 dB, Directivity 12 to 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for RFDC1M06G10 can be seen below.