The CPL-5211-30-SMA-79 from Cinch Connectivity Solutions is a Directional Coupler with Frequency 1 to 2 GHz, Coupling 30 dB, Coupling Variation ± 1 dB, Frequency Sensitivity ± 0.75 dB, Directivity 25 dB. Tags: Module with Connectors. More details for CPL-5211-30-SMA-79 can be seen below.