The RFDC8M3G10B from RF-Lambda is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 9 to 11 dB, Frequency Sensitivity ±0.2 to ±0.4 dB, Directivity 20 to 25 dB, Average Power 200 W. Tags: Module with Connectors. More details for RFDC8M3G10B can be seen below.