The RFDC1G70G20 from RF-Lambda is a Directional Coupler with Frequency 1 to 67 GHz, Coupling 19 to 23.5 dB, Frequency Sensitivity ±0.7 to ±0.1 dB, Directivity 8 to 16 dB, Average Power 20 W. Tags: Module with Connectors. More details for RFDC1G70G20 can be seen below.