: Lists drivers for models like the USB-AC58 on the ASUS support site. How to Install/Update on Windows 11
If you are seeing significantly less, your driver is not optimal.
The Realtek RTL8812BU is a highly capable 802.11ac Wave 2 chipset. It supports dual-band (2.4GHz and 5GHz) and speeds up to 867Mbps (5GHz) or 300Mbps (2.4GHz), totaling a theoretical link speed of 1200Mbps.
If you have purchased a third-party USB Wi-Fi adapter recently—perhaps a popular dual-band AC1300 dongle from brands like TP-Link, BrosTrend, or Cudy—there is a high probability that inside that plastic casing sits the Realtek RTL8812BU chipset. rtl8812bu driver windows 11 top
Go to Device Manager > Network Adapters > Properties > Power Management, and uncheck "Allow the computer to turn off this device."
Open :
Using the right driver configurations allows this dual-band, Multi-User MIMO (MU-MIMO) 2T2R chip to hit its peak potential of up to 1200 Mbps over Wi-Fi 5 ( : Lists drivers for models like the USB-AC58
: The official Realtek download page lists a "WLAN USB driver" for Windows 10 as the most recent official option (version 1030.25.0701.2017).
Open Device Manager, right-click the adapter -> Properties -> Advanced . Ensure Wireless Mode is set to 802.11ac/a/n.
You may encounter some issues with your RTL8812BU driver on Windows 11. Here are the most common problems and their solutions. You can also find community solutions at sources like the Win-11-Forum. It supports dual-band (2
Windows 11 may turn off the adapter to save power, leading to disconnects. Open > Network adapters . Right-click the RTL8812BU and choose Properties . Go to the Power Management tab.
If your adapter isn't working out-of-the-box, follow these steps to find a stable driver: Check for Auto-Install
| Feature | Status | |---------|--------| | (867 Mbps) | ✅ Full support | | 2.4 GHz (300 Mbps) | ✅ Full support | | Monitor mode / packet injection | ❌ Not supported (driver limitation) | | AP mode (hosted network) | ⚠️ Unstable – better to use Windows Mobile Hotspot with restrictions | | MU-MIMO | ✅ Works (if AP supports it) | | USB 3.0 | ✅ Must use USB 3.0 port; USB 2.0 limits to ~480 Mbps | | WPA3 | ✅ Supported with latest driver (1030.43+) | | Driver crash recovery | ⚠️ Occasional – disable selective suspend via registry |
The is a popular and powerful chipset found in many dual-band USB wireless adapters, capable of speeds up to 1300Mbps (5GHz) . It supports the modern 802.11ac (Wi-Fi 5) standard. However, a significant challenge for users is that this chipset is based on an older model. Realtek's official website does not offer dedicated drivers for Windows 11, and existing official versions (from around 2017-2018 ) are often outdated for Microsoft's newest OS. This is the root cause of many of the problems users face.
Complete Guide to the Best RTL8812BU Drivers for Windows 11 The Realtek RTL8812BU is a highly popular wireless chipset found in dozens of dual-band USB Wi-Fi adapters. While Windows 11 includes generic drivers for many devices, finding the absolute top-performing, stable driver for the RTL8812BU can significantly boost your internet speeds and fix random disconnections.