The HDC1104-35 from Federal Custom Cable is a Directional Coupler with Frequency 1 to 11 GHz, Coupling 30 dB, Coupling Variation +/- 1.5 dB, Frequency Sensitivity +/- 1.5 dB, Directivity 15 dB. Tags: Module with Connectors. More details for HDC1104-35 can be seen below.