Features:Reliable performance.Boost your laptop's internet speed and enable 5G connectivity. For desktop PCs, eliminate messy network cables and enable WiFi access for home and office use.1300M dual-band reception and transmission.The 2.4/5.8G dual-band offers a total speed of up to 1300M. 2.4G is ideal for long-distance transmission, while 5.8G is perfect for multiple users and smooth video playback.Dual Modes.The WiFi signal receiving port allows laptops and desktops to easily connect to WiFi, enabling desktops to access the internet wirelessly. The WiFi signal transmission mode transmits WiFi from a laptop or desktop, allowing other mobile phones and devices to connect to the internet wirelessly.Built-in Antenna.The built-in receiving and transmitting antenna ensures a stable and strong WiFi signal.Multiple encryption methods to prevent password cracking.WiFi cracking not only slows down internet speed but also poses risks to bank accounts and payment security. It's compatible with USB 2.0 and USB 1.1. The USB 3.0 bidirectional data transfer mode saves time compared to USB 2.0's half-duplex mode and is more energy-efficient.Mini Size and Stylish Design: Compact and fashionable, lightweight and convenient to use.Wide Compatibility: Compatible with common operating systems, including Windows XP, 7, 8/8.1, 10, and Mac 10.9-10.14.Specifications:Item Name: Dual Band WiFi AdapterModel: CF-812ACInterface Type: USB3.0Frequency: 2.4GHz + 5.8GHzTransmission Rate: 1300 MbpsStandards: IEEE 802.11a/b/g/n/acColor: BlackAntenna: Built-in 2dBiTX Power: 18dBmSupported Operating Systems: Windows XP/7/8/8.1/10/Mac 10.9-10.14Item Size: 38.5 * 17 * 8.5mm / 1.5 * 0.7 * 0.3inPackage Weight: 30g / 1.1ozPackage Size: 14.5 * 10.5cm / 5.7 * 4.1inPackage Includes:1 * WiFi Adapter1 * CD Driver