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

The Realtek RTL8188CU is a compact USB 2.0 wireless network adapter implementing IEEE 802.11b/g/n standards. Designed for entry-level Wi‑Fi connectivity, it provides reliable wireless access for desktops, laptops, embedded systems, and single-board computers where onboard Wi‑Fi is absent or needs upgrading.

Approximately 100 meters indoors and up to 150–300 meters outdoors, though real-world performance is often significantly lower due to environmental interference. www.pulsat.com Operating System Compatibility realtek rtl8188cu wireless lan 80211n usb 20 network adapter

You can find a modern USB 3.0 AC1200 (802.11ac) adapter for under $15, which will offer 5 GHz support, triple the speed, and better driver stability. The Realtek RTL8188CU is a compact USB 2

One of the hidden features of the RTL8188CU is its ability to act as a Soft Access Point. This means you can plug the adapter into a desktop PC and broadcast a Wi-Fi hotspot from that computer to share a wired internet connection with phones or other devices. Since it only operates on the 2

Since it only operates on the 2.4 GHz band, it is susceptible to interference from microwaves, Bluetooth devices, and neighboring Wi-Fi networks.

The Realtek is a legacy, single-chip wireless LAN controller designed for compact USB 2.0 adapters . It supports the IEEE 802.11n standard with a maximum data rate of 150 Mbps . Key Specifications Standards: IEEE 802.11b/g/n. Frequency Band: 2.4 GHz only.