The MDC20-010100 from Microot Microwave is a Directional Coupler with Frequency 1 to 10 GHz, Coupling 20 ± 1.0 dB, Coupling Variation ± 1.0 dB, Directivity 30 dB, Power 20 W. Tags: Module with Connectors. More details for MDC20-010100 can be seen below.