The C756E-6 from Spectrum Control is a Directional Coupler with Frequency 6.5 to 18 GHz, Coupling 6 ± 1 dB, Coupling Variation ±1 dB, Amplitude Flatness ± 0.6 dB, Directivity 15 dB. Tags: Module with Connectors. More details for C756E-6 can be seen below.