The BXDC-20NFH from KorinWell is a Directional Coupler with Frequency 700 MHz to 2.7 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-20NFH can be seen below.