UGREEN AC1300 Dual-Band Wireless USB Adapter – CM492

The UGREEN AC1300 Dual Band Wireless USB Adapter – CM492 is designed to add or upgrade Wi-Fi connectivity on computers with a USB-A port. It supports both 2.4GHz and 5GHz wireless bands, giving users the flexibility to choose between wider coverage and higher wireless speeds.

The CM492 is based on the Wi-Fi 5 / IEEE 802.11ac standard and uses a USB 3.0 connection. UGREEN identifies the exact model as CM492 with SKU 50340.

AC1300 Dual Band Wi-Fi

The CM492 provides a combined AC1300-class wireless link rate:

• 5GHz: up to 867Mbps
• 2.4GHz: up to 400Mbps

The 5GHz band is suitable for higher-speed applications and less congested wireless environments. Meanwhile, 2.4GHz generally provides greater coverage and better penetration through obstacles.

USB 3.0 Interface

The adapter connects through USB-A 3.0, which provides more host-interface bandwidth than USB 2.0. For the best performance, connect the CM492 to a USB 3.0 port, particularly when using its higher-speed 5GHz connection.

Wi-Fi 5 Technology

The UGREEN CM492 supports IEEE 802.11ac/a/b/g/n wireless standards. This provides compatibility with a broad range of Wi-Fi routers and wireless access points. It is a useful upgrade for an older computer with slow Wi-Fi or for a desktop PC without built-in wireless connectivity.

Station and Soft AP Modes

In normal Station Mode, the CM492 connects your computer to an existing wireless router or access point. It also supports Soft AP mode, subject to operating-system and driver support. This can allow a compatible computer to function as a Wi-Fi hotspot and share its network connection with other devices.

Compact Design

Despite its AC1300 performance, the CM492 has a compact form factor. Listed dimensions are approximately 85 × 25 × 8mm, making it convenient for desktops, laptops and travel.

Key Features

• UGREEN CM492 / SKU 50340
• AC1300 dual-band USB Wi-Fi adapter
• Wi-Fi 5 / IEEE 802.11ac
• Dual-band 2.4GHz + 5GHz
• Up to 867Mbps on 5GHz
• Up to 400Mbps on 2.4GHz
• USB-A 3.0 interface
• Realtek RTL8812AU chipset
• Supports 802.11ac/a/b/g/n
• Station Mode support
• Soft AP mode, subject to OS/driver compatibility
• WPA/WPA2 wireless security support
• Suitable for desktop and laptop computers

Technical Specifications

Operating System Compatibility

UGREEN documentation lists Windows 11/10 with straightforward support, while older Windows versions and macOS may require the appropriate driver. Compatibility can depend on the exact operating-system version and architecture.

Ideal Applications

The UGREEN CM492 is suitable for upgrading desktop PCs, replacing slow built-in Wi-Fi adapters, connecting computers to dual-band routers and providing wireless connectivity where Ethernet cabling is inconvenient.

For example: Desktop PC → UGREEN CM492 → 5GHz Wi-Fi → Wireless Router → Internet

Actual throughput will be lower than the theoretical 867Mbps/400Mbps link rates and depends on the router, signal strength, interference, distance and internet connection.

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