300Mbps Wireless 802.11b g n USB Adapter Driver
Download for Windows — free, fast, always up-to-date
💻 This driver download is available for Windows PCs.
Official Sources
Softonic
Download on Softonic
trusted mirror
Mirror
Driver catalog page
Driverguide
At a Glance
Device300Mbps Wireless 802.11b g n USB Adapter
Vendor—
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 27, 2026
SafetyScanned, malware-free
LicenseFree
No Registration Required
Download free — no signup, no account, no waiting
The 300Mbps Wireless 802.11b g n USB Adapter adds Wi-Fi connectivity to a Windows computer through a USB port. Its driver allows Windows to recognize the adapter and communicate with its wireless hardware so you can find nearby networks and connect to the internet. Choose a driver from the manufacturer that matches your adapter’s hardware version and your installation of Windows 11, 10, 8, or 7.
Key Features
- Wireless network access: Enables the adapter to scan for available Wi-Fi networks and establish a connection through Windows network settings.
- 802.11b/g/n support: Allows the adapter to work with compatible wireless routers and access points using these Wi-Fi standards.
- Up to 300Mbps wireless link speed: Supports the adapter’s rated connection capability under suitable conditions. Actual speeds depend on the router, signal strength, interference, and network configuration.
- Windows hardware integration: Helps the operating system identify and manage the USB network adapter, including its connection status and available device settings.
How to Install
- Confirm the adapter details. Check the product label or packaging for a model number and hardware revision. If Windows lists the adapter as an unknown device, open Device Manager and look under Properties > Details > Hardware Ids to help identify it.
- Select the matching driver. Download the manufacturer’s package intended for your hardware and Windows version. Check whether your system requires a 32-bit or 64-bit package; similarly named USB adapters may use different chipsets.
- Prepare the files. Extract the download if it comes in a compressed folder. Read any included instructions, especially guidance on whether to connect the adapter before or after running setup.
- Install the driver. Run the supplied installer and follow its prompts. If there is no installer, connect the adapter, locate it in Device Manager, select Update driver, and choose Browse my computer for drivers to point Windows to the extracted folder.
- Check the connection. Restart if prompted, then open Windows Wi-Fi settings and connect to your network. If the adapter is not detected, try another USB port and confirm that the downloaded driver matches its hardware ID.
Common Issues and Fixes
- Adapter not detected: Plug the 802.11b/g/n USB adapter directly into a USB 2.0 port, not a hub. Check Device Manager for “Unknown device” or entries under Network adapters; uninstall any ghost/old USB wireless entries, then rescan hardware.
- Driver install fails: Run the vendor installer as administrator, temporarily pause antivirus, and confirm the driver matches the adapter’s hardware ID/revision. On Windows 10/11, try compatibility mode; remove the previous driver with “Uninstall device” including driver software, then reinstall and reboot.
- Version conflicts or dropped connections: Remove duplicate/older 802.11n USB drivers, install only the vendor package, and disable USB selective suspend/power management for the adapter. Use 2.4 GHz with WPA2; roll back the driver if an update causes instability.
Driver Details
| Device | 300Mbps Wireless 802.11b g n USB Adapter |
|---|---|
| Category | Network |
| Supported OS | Windows |
| Published | October 27, 2026 |
| Updated | October 27, 2026 |
💻 This driver download is available for Windows PCs.