The RCPL-2-8-30d-Nf-600W CW-10kW Pk-a3 from Raditek is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 30 dB, Coupling Variation ±1, Frequency Sensitivity ±0.60 dB, Directivity 16 dB. Tags: Module with Connectors. More details for RCPL-2-8-30d-Nf-600W CW-10kW Pk-a3 can be seen below.