The MCD035039S20M from Meuro Microwave is a Directional Coupler with Frequency 3.5 to 3.9 GHz, Coupling 20±0.5 dB, Directivity 28 dB, Average Power 30 W, Peak Power 1 kW. Tags: Module with Connectors. More details for MCD035039S20M can be seen below.