The MCD020040S30M from Meuro Microwave is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 30±0.7 dB, Frequency Sensitivity 0.7 dB, Directivity 22 dB, Average Power 50 W. Tags: Module with Connectors. More details for MCD020040S30M can be seen below.