The PDC-20A-5+ from Mini Circuits is a Directional Coupler with Frequency 0.1 MHz to 2 GHz, Coupling 19.36 to 20.22 dB, Directivity 16.58 to 42.90 dB, Power 0.5 to 2 W, Average Power 0.5 to 2 W. Tags: Surface Mount. More details for PDC-20A-5+ can be seen below.