The MCD008038S30M from Meuro Microwave is a Directional Coupler with Frequency 0.8 to 3.8 GHz, Coupling 30±2 dB, Frequency Sensitivity 1 dB, Directivity 20 dB, Average Power 10 W. Tags: Module with Connectors. More details for MCD008038S30M can be seen below.