Qualcomm HS-USB NMEA 900F (COM39) Driver

The Qualcomm HS-USB NMEA 900F (COM39) driver helps Windows recognize the device’s USB serial interface so compatible software can receive NMEA positioning data from supported Qualcomm-based hardware. Listed under Qualcomm Atheros in the USB category, this interface may need a driver if it appears as an unknown device, shows a warning in Device Manager, or is unavailable to your GPS application.

Key Features

• Enables communication between Windows and the device’s NMEA interface, allowing compatible applications to access positioning messages when the hardware provides them.
• Exposes the interface as a COM port for software that reads serial NMEA data. COM39 is the current port assignment and may change after reconnecting or reinstalling the device.
• Supports driver setup on Windows 10, 8.1, 7, Vista, and XP when the selected package matches the operating system and hardware.
• Helps resolve recognition problems caused by a missing or incompatible driver; it does not add GPS capabilities to hardware that lacks them.

How to Install Qualcomm HS-USB NMEA 900F (COM39) Driver

1. Open Device Manager and locate the interface under Ports (COM & LPT), Other devices, or USB-related entries. Check its hardware IDs in Properties > Details to confirm the package matches your device.
2. Choose a Qualcomm HS-USB NMEA 900F (COM39) driver download for Windows that matches your OS version and 32-bit or 64-bit architecture. Prefer the device manufacturer’s package, and verify the source before using any free download.
3. Extract the downloaded archive, if necessary. Run the included installer, or select Update driver in Device Manager and browse to the extracted driver folder.
4. Follow the prompts to install the driver, then restart Windows if requested. Reconnect the device and check that its Device Manager entry has no warning icon.
5. In your compatible positioning application, select COM39—or the port Windows currently assigns—and use the communication settings recommended by the hardware manufacturer.

Keep the driver updated when the manufacturer provides a compatible release that addresses your issue. The latest version is not always suitable for older hardware, so check compatibility before you update. For Windows 10/11 systems, note that Windows 10 is listed as supported here, while Windows 11 compatibility must be confirmed separately with the device manufacturer.