The BXDC-20DF from KorinWell is a Directional Coupler with Frequency 800 MHz to 2.5 GHz, Coupling 20 dB ± 1 dB, Coupling Variation 1 dB, Directivity 20 dB, Average Power 200 W. Tags: Module with Connectors. More details for BXDC-20DF can be seen below.