Cudy USB Wi-Fi adapter AX900 - 600 Mbit/s (WU900)

Slow or unstable Wi-Fi can cripple productivity, but the Cudy WU900 USB adapter brings Wi-Fi 6 performance to any desktop or laptop with a free USB 3.0 port. It delivers up to 900 Mbps total wireless speed, with 600 Mbps on the 5 GHz band and 300 Mbps on 2.4 GHz, making it ideal for smooth streaming, gaming, and large file transfers.

Who is it for

This adapter suits users who need a quick, reliable upgrade to modern Wi-Fi without opening their computer case. It works with Windows 10/11, Linux (Kernel 5.8+), and macOS 11+, and is backward compatible with older 802.11a/b/g/n/ac networks.

Main features

• Wi-Fi 6 (802.11ax) technology with OFDMA and MU-MIMO for efficient multi-device performance
• Dual-band connectivity: 2.4 GHz (300 Mbps) and 5 GHz (600 Mbps)
• USB 3.0 interface for high-speed data transfer
• Internal antenna design for a compact, portable form factor
• Supports WPA3, WPA2, and WPA security protocols
• Plug-and-play on Windows 10/11; driver download for other systems

Specifications

• Wi-Fi Standard: Wi-Fi 6 (802.11ax)
• Max Wireless Speed: 900 Mbps total (600 Mbps on 5 GHz, 300 Mbps on 2.4 GHz)
• Interface: USB 3.0
• Antenna Type: Internal
• Frequency Bands: Dual-Band (2.4 GHz / 5 GHz)
• Security Protocols: WPA3, WPA2, WPA
• Operating Systems: Windows 10/11, Linux (Kernel 5.8+), macOS (11+)
• Wireless Features: OFDMA, MU-MIMO
• Chipset: Realtek RTL8832AU
• Backward Compatibility: 802.11a/b/g/n/ac
• Form Factor: USB Dongle
• LED Indicator: Yes (Activity/Status)
• Power Source: USB Bus-Powered

Tips

For best performance, connect the adapter to a USB 3.0 port and position it away from large metal objects. On systems other than Windows 10/11, download the latest driver from the Cudy website before first use.