The MCD020040S06M from Meuro Microwave is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 6±0.7 dB, Frequency Sensitivity 0.7 dB, Directivity 20 dB, Average Power 20 W. Tags: Module with Connectors. More details for MCD020040S06M can be seen below.