UGREEN AC650 11ac Dual-Band Wireless USB Adapter
Upgrade your desktop or laptop with fast and reliable wireless networking using the UGREEN AC650 11ac Dual-Band Wireless USB Adapter (CM448 / UG-20204). Designed to support the latest IEEE 802.11ac Wi-Fi standard, this compact USB adapter delivers combined wireless speeds of up to 650Mbps, making it ideal for HD streaming, video conferencing, web browsing, online learning, and everyday internet use.
Operating on both 2.4GHz and 5GHz frequency bands, the adapter automatically connects to the optimal network for greater stability and reduced interference. The 5GHz band is perfect for high-bandwidth activities like streaming and gaming, while the 2.4GHz band provides extended coverage for general browsing.
Its compact nano design fits neatly into a USB port without blocking adjacent ports, making it an excellent solution for home, office, or travel. With support for Windows, macOS, and Linux, installation is quick and hassle-free.
Key Features
- AC650 dual-band wireless connectivity
- Up to 650Mbps combined wireless speed
- 433Mbps on 5GHz band
- 200Mbps on 2.4GHz band
- IEEE 802.11a/b/g/n/ac support
- USB 2.0 interface
- Compact nano design
- Internal high-gain antenna
- WPA/WPA2/WEP wireless security
- Plug-and-play support for Windows 10/11
- Compatible with Windows, macOS, and Linux
- Ideal for desktops and laptops
Technical Specifications
| Feature | Specification |
|---|---|
| Brand | UGREEN |
| Model | CM448 / UG-20204 |
| Product Type | USB Wi-Fi Adapter |
| Interface | USB 2.0 |
| Wireless Standard | IEEE 802.11a/b/g/n/ac |
| Frequency Bands | 2.4GHz & 5GHz |
| 2.4GHz Speed | Up to 200Mbps |
| 5GHz Speed | Up to 433Mbps |
| Combined Speed | Up to 650Mbps |
| Antenna | Internal High-Gain |
| Security | WPA, WPA2, WEP |
| Operating Systems | Windows, macOS, Linux |
| Color | Black |
What’s in the Box
- UGREEN AC650 Dual-Band Wireless USB Adapter
- User Manual





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