Data Modem @ CDMA Second DS Port (WDM)(6533) (COM29) Driver

The Data Modem @ CDMA Second DS Port (WDM)(6533) (COM29) driver helps Windows recognize and communicate with this Cmotech CDMA modem interface. It is intended for users setting up compatible modem hardware, restoring a missing port, or troubleshooting a device that appears with a warning in Device Manager.

Key Features

• Enables communication between Windows and the modem’s secondary DS port, allowing compatible software to access the interface.
• Supports recognition of the WDM-based device and its assigned COM port in Device Manager. COM29 is the port shown in this device name; Windows may assign a different number after installation.
• Provides the driver component needed for supported Cmotech hardware on Windows 10, 8.1, 7, Vista, and XP, subject to the individual package’s compatibility requirements.
• Can help resolve recognition problems caused by a missing or incorrectly installed driver, although connection issues may also require checking modem software, cables, or network service.

How to Install Data Modem @ CDMA Second DS Port (WDM)(6533) (COM29) Driver

1. Confirm your device and Windows edition. Open Device Manager, locate the modem or unrecognized interface, and check its hardware IDs under Properties > Details. Also confirm whether your Windows installation is 32-bit or 64-bit.
2. Choose a matching package. Before starting your Data Modem @ CDMA Second DS Port (WDM)(6533) (COM29) driver download for Windows, verify that the package matches your hardware IDs and operating system. If comparing Windows 10/11 options, note that Windows 11 support is not established by the supported OS list above.
3. Download and check the files. Use a trusted source for a free download, and review any included installation instructions. Scan the downloaded package with your security software before opening it.
4. Install the driver. Run the supplied installer if one is included. Otherwise, extract the files, right-click the device in Device Manager, select Update driver, and browse to the extracted driver folder.
5. Verify the installation. Restart Windows if prompted, then check that the device appears without a warning symbol. Confirm the assigned COM port in your modem application’s settings if manual selection is required.

Keep the driver updated when a compatible release addresses a problem or improves support for your setup. Choose the latest version verified for your specific hardware and Windows edition rather than assuming every newer package is suitable. Before an update, retain a working installer or create a restore point so you can recover if needed.