This versatile USB to serial adapter allows you to connect your Yaesu radio model FT-100, FT-100D, FT-817, FT-817ND, FT-857, FT-857D, FT-897, or FT-897D to your computer for digital modes and programming. Featuring an FT232 chipset, it provides a reliable connection via a robust 8 pin mini din male connector and CAT cable compatible with radios like the FT-817 and FT-857.