The ZDC40Ns-010124-500A from ZTS Technologies is a Directional Coupler with Frequency 1 to 12.4 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Directivity 8 dB, Average Power 500 W. Tags: Module with Connectors. More details for ZDC40Ns-010124-500A can be seen below.