The PDC-20M6G-24-5D5-12V-SFF from Quantic PMI (Planar Monolithics) is a Directional Coupler with Frequency 20 MHz to 6 GHz, Coupling -16 dB, Average Power 20 dBm, Isolation 50 to 60 dB, Operating Temperature 0 to 75 Degree C. Tags: Module with Connectors. More details for PDC-20M6G-24-5D5-12V-SFF can be seen below.