The wlan driver 802.11n rel. 4.80.28.7.zip is a legacy driver package for Realtek-based USB Wi-Fi dongles. It is essential for users running Windows 7 who cannot connect to the internet after installing a new wireless adapter. It is stable for basic browsing but lacks the optimizations found in drivers released for Windows 10/11.
The driver itself is stable, but the underlying OS is aging.
Download the wlan driver 802.11n rel. 4.80.28.7.zip file to a known location (e.g., your Desktop). wlan driver 802.11n rel. 4.80.28.7.zip for windows 7
This is a very specific query, likely related to a legacy driver package for a Wi-Fi chipset (probably from or a similar vendor using that versioning scheme).
Broadcom-based wireless adapters and older Acer laptop configurations. Operating System: The wlan driver 802
The driver remains a "gold standard" for keeping legacy Windows 7 machines connected. If you are experiencing frequent drops or can’t find your wireless network, manually updating to this specific release is often the quickest fix.
| Feature | Support | |---------|---------| | | Yes (up to 150 Mbps or 300 Mbps depending on chip) | | 802.11b/g | Yes (backward compatible) | | Band | 2.4 GHz only (typical for this release) | | Security | WEP, WPA-PSK, WPA2-PSK (TKIP/AES) | | WPS | Wi-Fi Protected Setup (PIN / PBC) | | SoftAP | Supported (depends on chip + utility) | | Power Management | Yes (CAM, Max_PSP, Fast_PSP) | | Network Types | Infrastructure (AP) and Ad-hoc | It is stable for basic browsing but lacks
Click the button, right-click Computer , and select Manage . Select Device Manager on the left pane. Expand Network adapters .
To avoid this, you must identify your wireless adapter's hardware ID:
Point the system to the folder where you unzipped the 4.80.28.7 files. Verification:
– The yellow exclamation mark should be gone. Under Network adapters , you’ll see your adapter’s proper name (e.g., “Realtek RTL8192CU Wireless LAN 802.11n USB 2.0 Network Adapter”).