The CPL-5216-20-TNC-79 from Cinch Connectivity Solutions is a Directional Coupler with Frequency 7 to 18 GHz, Coupling 20 dB, Coupling Variation ± 1 dB, Frequency Sensitivity ± 0.75 dB, Directivity 15 dB. Tags: Module with Connectors. More details for CPL-5216-20-TNC-79 can be seen below.