: 1x1 SISO (Single-Input Single-Output) stream and MU-MIMO support for improved efficiency. Driver & Setup Information
| Band | Channel Width | Signal Strength | PHY Rate | iPerf3 TCP Throughput | |------|---------------|----------------|----------|-----------------------| | 2.4 GHz | 20 MHz | -45 dBm | 150 Mbps | 78–95 Mbps | | 2.4 GHz | 40 MHz | -45 dBm | 200 Mbps* | 85–110 Mbps | | 5 GHz | 20 MHz | -48 dBm | 150 Mbps | 90–105 Mbps | | 5 GHz | 40 MHz | -48 dBm | 300 Mbps | 140–170 Mbps | | 5 GHz | 80 MHz | -48 dBm | 433 Mbps | 210–245 Mbps | realtek 8811cu wireless lan 802.11ac usb nic
The Realtek 8811CU is a wireless networking adapter that uses the USB interface to connect to computers, laptops, and other devices. It supports the 802.11ac standard, which offers speeds of up to 433 Mbps and improved range and coverage. With its compact and lightweight design, this wireless adapter is easy to install and transport, making it an ideal solution for users who need to work or play wirelessly on the go. : 1x1 SISO (Single-Input Single-Output) stream and MU-MIMO
The Realtek 8811CU is a single-chip 802.11ac Wave-1 USB interface controller widely deployed in low-cost wireless LAN adapters. This paper examines its architecture, key features—including 1x1 MIMO, MU-MIMO support, and USB 2.0 interface limitations—as well as real-world performance and driver availability across operating systems. The findings indicate that while the chipset offers adequate throughput for typical consumer applications, its performance is constrained by USB 2.0 bus limitations and fragmented open-source driver support. With its compact and lightweight design, this wireless
Overall, the Realtek 8811CU Wireless LAN 802.11ac USB NIC is a high-performance wireless adapter that offers fast wireless connectivity and reliable performance for a wide range of applications.