UGREEN AX1800 Dual-Band Wireless USB Adapter (Wi-Fi 6) – CM499 (UG-90340)
The UGREEN UG-90340, also known as model CM499, is a high-performance AX1800 dual-band USB adapter designed to bring Wi-Fi 6 connectivity to laptops and desktops. Delivering a combined throughput of up to 1800 Mbps, it ensures ultra-fast, low-latency connections ideal for 4K streaming, online gaming, and large file transfers. Featuring advanced technologies like OFDMA, MU-MIMO, beamforming, and 1024-QAM, this compact adapter provides stronger coverage, faster speeds, and improved network efficiency. Its plug-and-play design with Windows 10 and 11, along with optional drivers for macOS and Linux, allows for quick setup and secure wireless connections with WPA3 encryption.
Product Features
High-Speed AX1800 Connectivity
Supports dual-band speeds of up to 1201 Mbps on the 5GHz band and 574 Mbps on the 2.4GHz band, offering a combined throughput of 1800 Mbps for smooth streaming and gaming.
Wi-Fi 6 Advanced Technologies
OFDMA and MU-MIMO allow simultaneous communication with multiple devices, reducing latency and network congestion for a faster, more efficient connection.
Beamforming for Stable Connections
The adapter intelligently directs Wi-Fi signals toward the router, providing a stronger and more stable connection even at longer distances.
Enhanced Data Encoding with 1024-QAM
Improves data transmission efficiency, enabling up to 40% faster speeds compared to Wi-Fi 5 adapters.
Flexible Station & Soft AP Modes
Functions as both a network receiver (Station Mode) and a wireless hotspot transmitter (Soft AP Mode) to share a wired connection with other devices.
Compact and Travel-Friendly Design
Features an internal high-gain antenna and honeycomb ventilation for optimal airflow, ensuring reliable performance without overheating.
Robust Security
Supports WPA3-SAE, WPA2, and WEP encryption, providing enhanced protection against unauthorized access.
Product Specifications
- Wireless Standard: IEEE 802.11ax (Wi-Fi 6), backward compatible with 802.11a/b/g/n/ac
- Total Bandwidth: Up to 1800 Mbps combined speed
- Dual-Band Speeds: 5GHz: Up to 1201 Mbps, 2.4GHz: Up to 574 Mbps
- Hardware Interface: USB 3.0 (USB 3.2 Gen 1), compatible with USB 2.0
- Antenna: Internal high-gain antenna
- Thermal Design: Honeycomb ventilation structure to prevent overheating
- Dimensions: 84mm x 27mm x 13mm
- Wireless Technologies: OFDMA, MU-MIMO (2×2), Beamforming, 1024-QAM
- Operating Modes: Station Mode, Soft AP Mode
- Security: WPA3-SAE, WPA2, WEP
- Operating Systems: Windows 10/11 (plug-and-play), macOS and Linux drivers available
- Backward Compatibility: IEEE 802.11a/b/g/n/ac standards
- Usage Requirement: USB 3.0 port recommended to achieve maximum AX1800 speeds




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