Hawking HWU8DDA HiGain Wireless G Directional Dish USB NIC Antenna (for MAC) Connects to your desktop computer or laptop easily (For MAC users) High Speed USB 2.0 Connecttion Extend Wireless connection distances by up to 300% Equipped with an 8dBi Hi-Gain Directional Dish Antenna Signal Strength indicatiors help you make a quality connection in seconds