The BDC1103-6 from Federal Custom Cable is a Directional Coupler with Frequency 1 to 4 GHz, Coupling 6 dB, Coupling Variation +/- 1 dB, Frequency Sensitivity +/- 0.35 dB, Average Power 50 W. Tags: Module with Connectors. More details for BDC1103-6 can be seen below.