802.11ac Usb Nic - Realtek 8811cu Wireless Lan
*40 MHz on 2.4 GHz is non-standard and often unstable due to overlapping channels.
No official support; community projects (e.g., chris1111’s driver) work for certain chipset revisions but require System Integrity Protection (SIP) disabled. realtek 8811cu wireless lan 802.11ac usb nic
| Chipset | Interface | Max PHY | Realistic TCP | Open-source support | |---------|-----------|---------|---------------|----------------------| | RTL8811CU | USB 2.0 | 433 Mbps | 210–245 Mbps | Poor | | RTL8812AU | USB 3.0 | 867 Mbps | 400–450 Mbps | Moderate | | MT7610U | USB 3.0 | 433 Mbps | 200–230 Mbps | Good (mediatek driver) | | RTL8821CU | USB 2.0 | 433 Mbps | 210–245 Mbps | Poor (with BT) | *40 MHz on 2
