Realtek 8188gu Wireless Lan 802.11n Usb Nic Driver
Kernel Status: Not included in mainline kernel (unlike RTL8188EU). Requires external compilation.
iwconfig # Should show wlan0
If you have purchased a cheap, no-brand USB Wi-Fi adapter from online marketplaces (often costing under $10), there is a high probability it contains the Realtek 8188GU chip.
Realtek is known for producing cost-effective chipsets that work well for budget manufacturers. Because the 8188GU uses a USB interface, it is used in:
Realtek has deprecated the RTL8188GU series in favor of RTL8821CU (USB 2.0 + Bluetooth) and RTL8811CU (USB 3.0, ac). No new feature development is expected. Linux mainline inclusion is unlikely due to the existence of rtl8xxxu (which does not support 8188GU) and lack of maintenance interest.
Users are advised to:
The Realtek 8188GU is a single-chip Wireless LAN (WLAN) network controller. It is designed to provide Wi-Fi connectivity via a USB interface. realtek 8188gu wireless lan 802.11n usb nic driver
Official Support: Windows 7, 8, 8.1, 10, 11 (32-bit & 64-bit)
Driver Components:
Features:
Download Sources:
Known Windows Issues:
Summary
Windows
Linux
macOS
Performance & range
Security & reliability
Who it's for
Practical tips
If you want, I can:
The Realtek RTL8188GU is a budget-friendly 802.11n USB 2.0 network adapter designed primarily for basic connectivity on legacy systems. While it offers stable performance for light tasks, it is often criticized for its "virtual CD-ROM" driver delivery method and inconsistent Linux support. Performance & Use Cases
Best For: General web browsing, email, and standard-definition video streaming.
Speed: Theoretical speeds up to 150 Mbps on the 2.4 GHz band.
Limitations: It lacks 5 GHz support and struggles with high-bandwidth tasks like 4K streaming or large file transfers. Its single-antenna design also makes it susceptible to interference in crowded areas. Driver & Compatibility Review Kernel Status: Not included in mainline kernel (unlike
The 8188GU is unique (and often frustrating) because it includes an internal storage partition that presents itself as a CD-ROM containing Windows drivers when first plugged in. Realtek 8188 Wireless Adapter(26) - Alibaba.com
