The CPLK5KXP-4350 from ETL Systems is a Directional Coupler with Frequency 6 to 26.5 GHz, Coupling 10 or 20 dB, Coupling Variation ±1 dB, Directivity 12 to 13 dB, Average Power 30 W. Tags: Module with Connectors. More details for CPLK5KXP-4350 can be seen below.