Realtek Rtl8188cu Wireless Lan 80211n Usb 20 Network Adapter New [ RECENT ]
The Realtek RTL8188CU is a highly integrated, single-chip wireless LAN controller designed for compact USB 2.0 network adapters. It is widely used to add 802.11n wireless connectivity to older computers, Raspberry Pi devices, and set-top boxes. Key Technical Specifications
Operating Systems: Windows (XP, Vista, 7, 8, 10, 11), Linux, and macOS. Why Choose the Realtek RTL8188CU? 1. Ultra-Compact Design The Realtek RTL8188CU is a highly integrated, single-chip
3.2 USB Interface
The chip supports USB 2.0 High-Speed (480 Mbps) mode, but the effective throughput is limited by the 150 Mbps PHY rate. Real-world TCP throughput typically ranges from 70–90 Mbps in optimal conditions (close range, clear channel). The USB adapter itself (often the size of
- The USB adapter itself (often the size of a standard flash drive or smaller).
- A mini-CD containing drivers (Warning: These drivers are often outdated).
- A quick installation guide.
Introduction:
Key Features (Bullet Points)
- Chipset: Realtek RTL8188CU (Reliable, mature platform)
- Standards: IEEE 802.11b/g/n (Supports backward compatibility)
- Frequency: 2.4 GHz only
- Maximum Speed: Up to 150 Mbps (802.11n)
- Interface: USB 2.0 (also compatible with USB 1.1 and 3.0 ports)
- Antenna: Internal PCB antenna (some models may include external antenna; check variant)
- Security: WEP, WPA, WPA2, WPA3 (depending on driver), IEEE 802.1x
- OS Support: Windows XP/Vista/7/8/10/11, Linux (kernel 2.6.18 – 5.x+ with driver), macOS (limited support, may require third-party drivers)
- Form Factor: Nano / Mini dongle design (ultra-compact)
5. Driver & Operating System Support
This is a critical strength of the RTL8188CU. Drivers are available for: Introduction: Key Features (Bullet Points)
Realtek RTL8188CU Go to product viewer dialog for this item.