The ZDC10S-0.4-6-50A from ZTS Technologies is a Directional Coupler with Frequency 400 MHz to 6 GHz, Coupling 10 dB, Coupling Variation ±1.2 dB, Directivity 15 dB, Average Power 50 Watts. Tags: Module with Connectors. More details for ZDC10S-0.4-6-50A can be seen below.