The FPCP-500-18000-S-S from FILPAL is a Directional Coupler with Frequency 500 to 18000 MHz, Coupling 10 dB, Coupling Variation ± 1.5 dB, Frequency Sensitivity ±1 dB, Directivity 10 to 20 dB. Tags: Module with Connectors. More details for FPCP-500-18000-S-S can be seen below.