The PDC-7984-30-50W-SMA from Quantic PMI (Planar Monolithics) is a Directional Coupler with Frequency 7.9 to 8.4 GHz, Coupling 30 dB, Directivity 18 dB, Average Power 2(Reflected) to 50 W(Incident), Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for PDC-7984-30-50W-SMA can be seen below.