The PDC-800M3G-30C-NFF-300W from Quantic PMI (Planar Monolithics) is a Directional Coupler with Frequency 800 MHz to 3 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Directivity 22 dB, Power 300 W. Tags: Module with Connectors. More details for PDC-800M3G-30C-NFF-300W can be seen below.