Ensure you install the USB-to-Serial drivers (often Prolific or FTDI) before connecting the radio to your PC. 💡 Programming Steps
A dedicated USB programming cable (8-pin or 2-pin depending on your specific regional variant, though the standard TC-508 uses a 2-pin Kenwood-style connector). How to Download HYT TC-508 Programming Software
Adjust frequencies, CTCSS/CDCSS tones, and power levels.