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

At its core, the RTL8188CU is a single-chip wireless solution designed by Realtek Semiconductor Corp. It connects to a host device via the and provides 802.11n Wi-Fi connectivity.

While the theoretical limit is 150 Mbps, real-world performance is generally lower. Benchmark tests on platforms like FreeBSD have shown actual throughput of approximately . Despite these modest speeds, the adapter remains a "go-to" for specific use cases: realtek rtl8188cu wireless lan 80211n usb 20 network adapter

Realtek RTL8188CU is a legacy, single-chip wireless LAN controller designed for highly integrated, low-power USB 2.0 applications. It primarily powers compact "nano" USB dongles that provide basic Wi-Fi connectivity to desktops, older laptops, and single-board computers like the Raspberry Pi www.pulsat.com Core Technical Specifications Standards: Supports IEEE 802.11b/g/n specifications. Frequency Band: 2.4 GHz only; it does support the 5 GHz band or modern WiFi 6 standards. Max Throughput: Theoretical peak speed of using 1T1R (1 transmit, 1 receive) antenna configuration. Interface: High-speed USB 2.0/1.1. Compatible with WEP (64/128-bit), WPA, WPA2-PSK, and WPS. Working Distance: At its core, the RTL8188CU is a single-chip

This guide covers everything you need to know about the . This is a very common, older "N150" Wi-Fi chip found in countless cheap USB dongles (like the TP-Link TL-WN722N v1, Edimax EW-7811Un, and generic unbranded adapters). Benchmark tests on platforms like FreeBSD have shown