Look for "Other devices" or "Unknown device." Right-click it and choose . Select Browse my computer for drivers .

: Locate RDA-USB-driver.exe and Run as administrator .

Because is no longer in active production, there is no official 64-bit driver from RDA or Gallite . Success depends on community-modified .inf files or using generic USB drivers (WinUSB) via tools like Zadig. For critical 64-bit systems, consider replacing the adapter with a modern chipset (e.g., Realtek or MediaTek) that offers native 64-bit support.

In the world of embedded systems, USB-to-UART bridges are the silent workhorses that allow developers, engineers, and hobbyists to communicate with microcontrollers, GPS modules, and legacy industrial equipment. One such chip that often appears in documentation and device manager listings is the , paired with a driver package labeled RDA USB Driver .