N300 High-Gain Wi-Fi USB Adapter. Connection via USB. Frequency band: 2.4 GHz. Maximum WLAN speed: 300 Mbit/s. Wireless N300 (Wi-Fi 4). Removable 5 dBi high-gain antenna and integrated 2 dBi antenna. The N300 High-Gain Wi-Fi USB Adapter connects your computer to a wireless high-speed network, providing a fast wireless connection with excellent reception. Once connected, you can access your network's high-speed Internet connection to browse the web, stream videos and music, play online games, and share content with your friends. QoS (Quality of Service). The QoS feature of this device allows you to reserve bandwidth for specific devices or applications. By recognizing application and device information as well as bandwidth requirements, it ensures that high-priority data automatically receives the best possible connection. QoS also ensures that lower-priority applications, such as file downloads, never come to a complete halt. This guarantees reliable performance for important applications even during high network load. Guest access. Share your network with your guests. With an easy-to-set-up guest access, visitors can also securely connect to your Wi-Fi.