Welcome to our store! 1. Dual Band: This WiFi antenna switches between 5GHz and 2.42GHz bands, allowing your PC to access the latest dual-band WiFi routers for faster speeds and a wider range of wireless connections. 2. 1750Mbps Speed: Speeds up to 1750Mbps provide you with a fast and lag-free wireless connection. 3. Applicability: High speed and smooth performance, perfect for online videos, gaming, premium music, HD streaming videos, etc. 4. High Compatibility: Compact and portable, supports Win 7, Win 8, Win10, and OS systems. 5. PCB Material: The WiFi adapter is made of PCB material, which is resistant to high and low temperatures and will not deform with prolonged use, ensuring long-term stability. Item Type: PCIE X1 Network Card Material: PCB Interface: PCIE X1 (for PCIE X1, X4, X8, X16 Interfaces) Band: 2.4G 5G Speed: 1750Mbps Network Standard: 802.11a/b/g/n/ac Supported Systems: for Win 7, for Win 8, for Win10, for OS 1 x Adapter 3 x Antenna 1 x Screw Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.