Up to 150 Mbps on 802.11n (Theoretical max; actual real-world throughput is usually between 30 Mbps and 80 Mbps depending on distance and interference).
The is a ubiquitous, compact WiFi dongle that has provided wireless connectivity to millions of computers, laptops, and embedded devices over the past decade. While wireless technology has advanced to WiFi 6 and 7, the RTL8188CU remains a popular, cost-effective solution for adding, upgrading, or repairing WiFi capability on older systems or specific single-board computers (SBCs).
Give you to a faster dual-band ( ) adapter if you need higher speeds. Let me know how you'd like to proceed . Realtek 802.11n, 802.11ac and 802.11ax drivers
WEP (64/128-bit), WPA, WPA2, WPA-PSK, WPA2-PSK, WPS (Wi-Fi Protected Setup).
This is usually a symptom of a driver conflict or an underpowered USB port.
Based on typical implementations, the RTL8188CU features the following specifications: Realtek RTL8188CU
Understanding what the RTL8188CU can and cannot do prevents performance frustration. It was built during the peak of the Wireless-N (802.11n) era, maximizing physical space savings over extreme bandwidth.
If Windows fails to find a driver, you can find official legacy packages or OEM versions (like those from
Perfect for upgrading old laptops, connecting desktop PCs to home routers, and IoT (Internet of Things) devices. It provides stable connection speeds for basic browsing. Limitations: Because it only operates on
At its core, the RTL8188CU is a highly integrated single-chip controller that combines a Wireless LAN MAC, a 1T1R (1 Transmit, 1 Receive) capable baseband, and RF components into a single QFN-46 package.
Often recognized as USB\VID_0BDA&PID_8176 or USB\VID_0BDA&PID_1E1E .