The MCD020040S10M from Meuro Microwave is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 10±0.7 dB, Frequency Sensitivity 0.7 dB, Directivity 22 dB, Average Power 30 W. Tags: Module with Connectors. More details for MCD020040S10M can be seen below.