How to Download and Install G-Star IV GPS Driver (BU-353S4) on Windows 11
Installing the driver is only half the battle. The BU-353S4 does not have a native "dashboard" app. It simply streams data. You must use third-party software to view the GPS coordinates.
The G-Star IV and GlobalSat BU-353S4 use the same drivers. You have two main options for downloading:
Do use the outdated CD that came with the device. Instead: G Star Iv Gps Driver Download Bu-353s4 Windows 11
Once the installation finishes, plug your BU-353S4 into a USB 2.0 or USB 3.0 port on your Windows 11 machine. 3. Open Device Manager
The specific version of the Prolific chip used in older BU-353S4 units (PL2303TA) was phased out by the manufacturer. Prolific intentionally blocked Windows 11 support in their newer driver updates.
I can give you custom troubleshooting steps based on your setup! Share public link How to Download and Install G-Star IV GPS
Follow the on-screen prompts to complete the installation wizard. Restart your computer if prompted. Plug In the Device
For your mapping or navigation software to work, you must configure it to listen on the correct COM port at the correct baud rate.
: Prolific officially phased out support for older chip revisions when Windows 11 launched. You must use third-party software to view the
Choose > Let me pick from a list of available drivers on my computer .
Look at the list of available versions. Select the older version (e.g., or similar older date) rather than the newest 2020+ version.