Here you can compress Excel XLS, XLSX, XLSM and ODS files
online and reduce their
file size of up to 90% the original size.
Just select the Excel file (max 50MB) to compress and wait.
Let’s give credit where it’s due. For an 802.11n adapter:
For a legacy device or a Raspberry Pi project, this is fine. The problem isn’t the hardware—it’s the driver support.
Many users worry that USB 2.0 (max theoretical speed 480 Mbps) bottlenecks the adapter. It doesn’t. The Wi-Fi link itself maxes at 150–300 Mbps, well below USB 2.0’s limit. The real limitation is half-duplex communication and overhead.
As of 2026 (looking back from today), the adapter is not obsolete but highly niche. Let’s give credit where it’s due
Still useful for:
Avoid for:
For macOS Big Sur and Monterey (2021), native drivers were non-existent. Users had to rely on third-party tools like HoRNDIS or simply give up. The chipset was not recommended for Hackintosh builds. For a legacy device or a Raspberry Pi project, this is fine
Most generic USB adapters using this chip shipped with a mini-CD containing drivers from 2017-2019. For Windows 10 (v2004 and newer) and early Windows 11 builds in 2021, automatic Windows Update often failed to identify the adapter correctly. Users frequently encountered "Code 10" or "Code 43" errors.
Solution in 2021: The most reliable driver package was Realtek_WLAN_USB_RTL8192FU_1030.40.0421.2020. Users had to disable driver signature enforcement on some systems. By late 2021, Realtek released signed WHQL drivers that resolved most stability issues.
Users reported recurring issues. Here’s the troubleshooting guide that circulated in 2021: Avoid for: For macOS Big Sur and Monterey
The Realtek RTL8192FU is a highly integrated single-chip Wireless LAN (WLAN) controller that provides a cost-effective solution for adding Wi-Fi connectivity to desktops, laptops, or embedded systems via a USB 2.0 interface. While 2021 saw a major shift toward Wi-Fi 6 and 6E technologies, the RTL8192FU remained a staple in the market for budget-friendly peripherals, retro-computing builds, and industrial equipment requiring stable, legacy-standard connectivity.
Pros
✅ Very affordable (typically $10–20 USD).
✅ Works out of the box on modern Linux kernels.
✅ Low latency for web browsing and 1080p streaming.
✅ Supports monitor mode (good for security testing/wardriving).
Cons
❌ No 5 GHz band (2.4 GHz only – subject to interference).
❌ Not Wi‑Fi 6 or even ac (802.11n is dated).
❌ Some generic adapters use poor antennas, limiting range.
❌ macOS support requires third‑party drivers.
