The RFDC2G8G10-RTH from RF-Lambda is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 9 to 11 dB, Frequency Sensitivity ±0.7 to ±1 dB, Directivity 18 to 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for RFDC2G8G10-RTH can be seen below.