Even if you have fiber internet (1 Gbps), this adapter caps out at USB 2.0 speeds (480 Mbps theoretical, but overhead drops it further). Realistically, you will see download speeds. That is fine for web browsing and Spotify, but terrible for 4K streaming or large game downloads.
is a legacy but enduring hardware solution designed to provide Wi-Fi connectivity to devices lacking built-in wireless capabilities. Introduced around 2010, it gained widespread popularity due to its ultra-compact "nano" form factor, affordability, and extensive compatibility across diverse operating systems including Windows, Linux, and FreeBSD. Technical Specifications and Design realtek rtl8188cu wireless lan 80211n usb 20 network adapter
The is a victim of its own success. It was a marvelous budget chip for its era, but technology has moved on. Even if you have fiber internet (1 Gbps),