UPGRADE YOUR WIFI PERFORMANCE: Upgrade your computer up to 1300 Mbps WiFi AC or 600 Mbps WiFi N to surf, game, and stream 4K HD video. PRIOR TO INSTALLATION: Please ensure Windows is up to date, then follow the Quick Installation Guide to install the latest driver. INCREASE YOUR WIFI COVERAGE: A high power radio with detachable high gain antennas increase WiFi coverage. 2.4 GHz / 5 GHz: 4 x 5 dBi (max.) dual band external / detachable. BEAMFORMING: Beamforming increases real-time performance by directing stronger wireless signals to each device's specific location. COMPATIBLE OPERATING SYSTEMS: The AC1900 USB Adapter is compatible with Windows® and Mac® operating systems. Windows® 10, 8.1, 8, 7, Vista, XP, and Mac OS® 10.6-10.13 TRENDnet PROTECTION: 3 Year TRENDnet Manufacturer's Protection TRENDnet's AC1900 High Power Dual Band Wireless USB Adapter, model TEW-809UB, upgrades a computer to Wireless AC1900. Quickly connect to a high performance Wireless AC network at 1300 Mbps or to a Wireless N network at 600 Mbps. A high power radio with detachable high gain antennas increase wireless coverage. WiFi Performance Upgrade your computer to 1300 Mbps WiFi AC or 600 Mbps WiFi N to surf, game, and stream 4K HD video. Beam forming Beamforming increases real-time performance by directing stronger wireless signals to each device's specific location. Increased Coverage A high power radio with detachable antennas increase WiFi coverage. PACKAGE CONTENTS TEW-809UB Quick Installation Guide CD-ROM (Drivers & User's Guide) 4 x High Gain Detachable Dual Band Antennas USB 3.0 Micro-B to USB Type-A cable (0.91 m / 3 ft)