Only if your adapter has two antennas (2x2 MIMO), your router supports 40MHz channel bonding, and the signal is excellent. Most single-antenna USB adapters max at 150 Mbps.
If you own an 802.11n USB adapter with Ralink chipset IDs 148F:3070 , 148F:5370 , or similar, . It will save you hours of troubleshooting – and keep your legacy hardware running for years to come. By following this guide, you’ve successfully reclaimed full control over your wireless adapter. For further assistance, check online communities like Reddit’s r/HomeNetworking or the MSFN hardware forum, where veteran users continue to support this legendary driver version.
During custom setup, you’ll see: “Replace Windows WLAN AutoConfig” . Uncheck this unless you prefer the older Ralink UI. For most users, keeping Windows native management is simpler. 80211n usb wireless lan card driver version 51220 full
| Driver Version | Stability | Features | Best For | |----------------|-----------|----------|-----------| | 3.2.x.x (early) | Poor | Basic .INF only | Legacy XP, no security | | | Excellent | RAUI, MIMO config, Tx/Rx stats | Win7/8/10, generic adapters | | 5.1.xx (2017+) | Moderate | Dropped RAUI, Windows 10 only | Newer RTL chips, not Ralink | | Windows Update (auto) | Unpredictable | None; stripped .INF only | Temporary use |
Choose “Install Driver and Ralink Utility” (not just Driver, not just Utility). This ensures the full feature set. Only if your adapter has two antennas (2x2
You extracted a driver-only pack without the installer detection script. Manually update via Device Manager → Browse my computer for drivers → point to the extracted folder containing netr28x.inf .
No. Linux uses the rt2800usb kernel module. Driver 51220 is Windows-only. It will save you hours of troubleshooting –
After the progress bar finishes, restart your computer even if not prompted . This finalizes kernel-level driver loading.