The MDC3227-6 from Preferred Power Products (P3) is a Dual Directional Coupler with Coupling 6 dB, Coupling Variation ±1.25 dB, Frequency 7 to 12.4 GHz, Peak Power 3 kW, Average Power 5 W. Tags: Module with Connectors. More details for MDC3227-6 can be seen below.