Equip Your Devices with Wireless Connectivity 300Mbps High Gain Wireless USB Adapter MW300UH. Two High Gain 5dBi Antennas Leads to Maximized Range MW300UH has two high-gain external antennas to ensure stronger signal transmission and reception, which helps users to gain a stable Wi-Fi connection across their home. Desktop Design Greatly Avoids Signal Blocking The cable makes it easy to find a spot for MW300UH in your workplace. Moreover, compared to the slot-inserted adapters, this design allow you to put it nearer to the router, in which way it can receive stronger signals. Easy Setup A friendly user interface on a CD for simple installation. Operating System Compatible with Windows 10/8.1/8/7/XP.