The MCD040080S20M from Meuro Microwave is a Directional Coupler with Frequency 4 to 8 GHz, Coupling 20±1.5 dB, Frequency Sensitivity 0.75 dB, Directivity 18 dB, Average Power 10 W. Tags: Module with Connectors. More details for MCD040080S20M can be seen below.