The RFDC8M3G30A from RF-Lambda is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 30 dB, Amplitude Flatness 0.7 dB, Directivity 20 dB, Average Power 100 W. Tags: Module with Connectors. More details for RFDC8M3G30A can be seen below.