The RFDC8M3G06D from RF-Lambda is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 5.3 to 6.7 dB, Frequency Sensitivity ±0.5 to ±0.7 dB, Directivity 20 to 24 dB, Average Power 50 W. Tags: Module with Connectors. More details for RFDC8M3G06D can be seen below.