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The Ugreen 90339 AC650 High-Gain Dual Band Wireless USB Adapter is a compact yet powerful solution for upgrading your PC or laptop to fast, stable Wi-Fi. Supporting dual-band connections—2.4GHz up to 200Mbps and 5GHz up to 433Mbps—it delivers smooth online gaming, 4K streaming, and lag-free browsing. Equipped with a 5dBi high-gain antenna, it ensures extended range and stronger signal stability, especially in areas with weaker coverage. Compatible with Windows, macOS, and Linux, this plug-and-play adapter is perfect for boosting wireless performance on the go or at home.
| Model | Ugreen 90339 |
| Wireless Standard | IEEE 802.11ac/a/b/g/n (Dual Band) |
| Frequency Bands | 2.4GHz + 5GHz |
| Max Wireless Speed | Up to 650 Mbps (433 Mbps @ 5GHz + 200 Mbps @ 2.4GHz) |
| Antenna | 1 × 5dBi External High-Gain Antenna |
| Interface | USB 2.0 |
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