The RCPL-80-1000M-40d-Nf-100W-M1-w18 from Raditek is a Directional Coupler with Frequency 80 to 1000 MHz, Coupling 40 dB, Coupling Variation ±2 dB, Frequency Sensitivity ±1.5 dB, Directivity 18 dB. Tags: Module with Connectors. More details for RCPL-80-1000M-40d-Nf-100W-M1-w18 can be seen below.