The ZDDC20N-005060A from ZTS Technologies is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±1.2 dB, Frequency 500 MHz to 6 GHz, Average Power 100 W, Insertion Loss 0.7 dB. Tags: Module with Connectors. More details for ZDDC20N-005060A can be seen below.