The CPL-5046-20-NNN-79 from Cinch Connectivity Solutions is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 20 dB, Coupling Variation ± 1 dB, Frequency Sensitivity ± 0.75 dB, Directivity 27 dB. Tags: Module with Connectors. More details for CPL-5046-20-NNN-79 can be seen below.