The dnubat1236b is rarely supported natively on Mac. However, you can use the open-source OpenCore Legacy Patcher or Wireless USB Adapter Clover drivers. Search for "Chipset USB Wi-Fi driver for Mac" using your Hardware ID from Method 3.
If the driver is installed but the device still won't connect: dnubat1236b driver free
Microsoft maintains a massive library of generic and certified drivers. Go to Settings > Update & Security > Windows Update. Click "Check for updates." For macOS: The dnubat1236b is rarely supported natively
Realtek Chipset Drivers: Many of these nano adapters use Realtek chips like the RTL8188 or RTL8723. You can check Realtek's Download Center for official software. dnubat1236b driver free
Advantech Support: For industrial interface drivers like the USB_Driver_PKG_v2.12.36.4 .