CMOTech Co., Ltd Data Modem @ CDMA Second DS Port WDM 5521 - two ways of downloading and installing the driver

Data Modem @ CDMA Second DS Port WDM 5521 is a Ports hardware device. The Windows version of this driver was developed by CMOTech Co., Ltd. USB/VID_16D8&PID_5521&MI_03&OS_NT is the matching hardware id of this device.

1. Manually install CMOTech Co., Ltd Data Modem @ CDMA Second DS Port WDM 5521 driver

1. You can download from the link below the driver setup file for the CMOTech Co., Ltd Data Modem @ CDMA Second DS Port WDM 5521 driver. The archive contains version 4.34.0.2705 released on 2005-08-17 of the driver.
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3. Run the driver installer file from a user account with administrative rights. If your User Access Control Service (UAC) is enabled please confirm the installation of the driver and run the setup with administrative rights.
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5. Go through the driver setup wizard, which will guide you; it should be quite easy to follow. The driver setup wizard will scan your computer and will install the right driver.
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7. When the operation finishes restart your PC in order to use the updated driver. It is as simple as that to install a Windows driver!
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This driver was not digitally signed.
Size of this driver: 57798 bytes (56.44 KB)
Driver rating 3.2 stars out of 13590 votes.
This driver is fully compatible with the following versions of Windows:

• This driver works on Windows 2000 32 bits
• This driver works on Windows Server 2003 32 bits
• This driver works on Windows XP 32 bits
• This driver works on Windows Vista 32 bits
• This driver works on Windows 7 32 bits
• This driver works on Windows 8 32 bits
• This driver works on Windows 8.1 32 bits
• This driver works on Windows 10 32 bits
• This driver works on Windows 11 32 bits

2. How to install CMOTech Co., Ltd Data Modem @ CDMA Second DS Port WDM 5521 driver using DriverMax

The advantage of using DriverMax is that it will install the driver for you in just a few seconds and it will keep each driver up to date, not just this one. How can you install a driver with DriverMax? Let's follow a few steps!

1. Open DriverMax and press on the yellow button named ~SCAN FOR DRIVER UPDATES NOW~. Wait for DriverMax to analyze each driver on your PC.
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3. Take a look at the list of driver updates. Search the list until you find the CMOTech Co., Ltd Data Modem @ CDMA Second DS Port WDM 5521 driver. Click on Update.
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5. That's all, the driver is now installed!
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