Given its low speed, why would anyone use this adapter in 2026? Three reasons:
Often used for low-cost, plug-and-play wireless capabilities on Raspberry Pi 2/3/4/5, as it is well-supported in Linux distributions.
If you are struggling with a specific issue, please let me know: Given its low speed, why would anyone use
Right-click the adapter and select Properties . Navigate to the Power Management tab.
As an older, mature technology, RTL8188CU adapters are inexpensive, serving as an excellent replacement for broken internal WiFi cards. Navigate to the Power Management tab
: 150 Mbps (theoretical); real-world usage typically ranges from 40–90 Mbps .
Provides immediate, inexpensive network capability to older PCs lacking built-in Wi-Fi logic boards or functional PCIe expansion tracks. RTL8188CU adapters are inexpensive
The RTL8188CU integrates:
Plugging the adapter into a Windows 10/11 PC will usually result in an automatic driver installation via Windows Update. The adapter will light up and connect.