And “050” was his old unit. His dead unit.
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | You installed a 32-bit driver on a 64-bit OS. | Extract the zip again and manually select the x64 folder if available. | | "Code 10: Device cannot start" | This is a classic Prolific PL-2303 issue—Microsoft blocked old chips in newer Windows builds. | You must downgrade to driver version 3.3.2.105 (dated 2013) or use a CH340-based driver. | | "Code 52: Unsigned driver" | Windows 10/11 enforces signature verification. | Disable driver signature enforcement (see Step 3 above) or boot into Test Mode. | | The driver installs, but the device disappears | Power management is turning off the USB port. | In Device Manager → USB Root Hub → Properties → Power Management → Uncheck "Allow the computer to turn off this device." |
Inside the ZIP, look for linux/ containing:
Once you jump through the hoops of getting the driver installed, the BDU 050 hardware itself is actually decent for the price.
Ensure you are using a directly on your motherboard/laptop. Avoid using unpowered USB hubs, as the BDU 050 draws significant power to maintain its high-gain signal. Slow Speeds on Windows 11
Search for "RT3070" to find verified Windows drivers.
