The UGREEN AC650 High-Gain Dual Band Wireless USB Adapter delivers fast, stable, and extended Wi-Fi connectivity for desktops, laptops, and other USB-enabled devices. Featuring dual-band support (2.4GHz + 5GHz), it provides combined speeds up to 650Mbps — 433Mbps on 5GHz and 200Mbps on 2.4GHz — ensuring smooth HD streaming, online gaming, and large file transfers. The 5dBi high-gain external antenna enhances signal range and stability, making it ideal for use in larger homes or offices. With MU-MIMO technology, the adapter efficiently handles multiple device connections, reducing latency and buffering. Its plug-and-play USB interface ensures easy installation on Windows, macOS, and Linux systems, while its compact, rotatable design offers flexible positioning for optimal signal reception.
Key Features Section
Dual-Band Wi-Fi Performance: Supports both 2.4GHz (200Mbps) and 5GHz (433Mbps) for balanced speed and stability.
High-Gain 5dBi Antenna: Extends coverage and improves signal quality in low-reception areas.
MU-MIMO Technology: Enables efficient, multi-device data streaming for smoother connectivity.
Plug-and-Play Installation: Simple setup with no driver required on Windows 10/11 and macOS.
Compact & Adjustable Design: Rotatable antenna for flexible positioning and optimal signal strength.
Technical Specifications Table
| Feature | Details |
|---|---|
| Product Name | UGREEN AC650 High-Gain Dual Band Wireless USB Adapter |
| Model | CM448 / 90391 (varies by region) |
| Wireless Standard | IEEE 802.11a/b/g/n/ac |
| Frequency Bands | 2.4GHz / 5GHz |
| Max Speed | Up to 650Mbps (433 + 200) |
| Antenna | 5dBi High-Gain Adjustable |
| Interface | USB 2.0 |
| Encryption | WPA3 / WPA2 / WPA |
| Operating System | Windows 7/8/10/11, macOS, Linux |
| Dimensions | 60 × 20 × 10 mm (Approx.) |
| Warranty | 1 Year (Manufacturer Warranty) |
FAQ Section
Q1: Is this adapter compatible with Windows 11?
A1: Yes, it works seamlessly with Windows 11 and Windows 10 systems without requiring driver installation.
Q2: Can it improve Wi-Fi coverage for a desktop PC?
A2: Yes, the 5dBi high-gain antenna boosts signal strength and extends coverage for better connectivity.
Q3: Does it support 5GHz Wi-Fi networks?
A3: Yes, it supports both 2.4GHz and 5GHz bands for flexible and fast wireless performance.
Q4: Is this adapter suitable for gaming and streaming?
A4: Absolutely. Its dual-band design and MU-MIMO support provide stable, low-latency connections ideal for gaming or HD streaming.
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