The CPL10C1P-4323-N5N5N5 from ETL Systems is a Directional Coupler with Frequency 3.4 to 4.2 GHz, Coupling 10 dB, Directivity 20 to 23 dB, Average Power 50 W, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for CPL10C1P-4323-N5N5N5 can be seen below.