Realtek Rtl8188cu Wireless Lan 80211n Usb 20 Network Adapter Link Jun 2026

: Theoretical 150 Mbps (real-world performance typically ranges from 60–90 Mbps). Frequency Band : 2.4 GHz only (no 5 GHz support).

The RTL8188CU is famous for dropping connections on Linux. Do not use the default rtl8192cu driver that comes with the kernel—it is broken. Do not use the default rtl8192cu driver that

Diagnostics checklist (quick)

The is a highly popular, cost-effective single-chip wireless solution designed for USB 2.0 interfaces. It brings 802.11n connectivity to devices lacking built-in Wi-Fi, such as desktop PCs, older laptops, single-board computers (Raspberry Pi, Orange Pi), and embedded systems. drivers are hosted by manufacturers (TP-Link

Realtek does not directly provide user-friendly download pages for end-users on their main site (they cater to OEMs). Instead, drivers are hosted by manufacturers (TP-Link, Edimax, D-Link) or open-source communities. such as desktop PCs

The Realtek RTL8188CU is a single-chip Wireless LAN (WLAN) USB 2.0 network interface controller designed for high-performance and low-power Wi-Fi connectivity. It is widely used in compact USB dongles to add wireless capabilities to desktops, laptops, and various embedded devices like media boxes and Raspberry Pi.