The ZDC6S-0.5-6-30A from ZTS Technologies is a Directional Coupler with Frequency 500 MHz to 6 GHz, Coupling 6 dB, Coupling Variation ±1 dB, Directivity 15 dB, Average Power 30 Watts. Tags: Module with Connectors. More details for ZDC6S-0.5-6-30A can be seen below.