Laptone Wireless High Gain USB Adapter, 300Mbps, __ dBi External Antenna, WPS Button, Support Windows, Mac OS High-Gain antenna for extended range High-speed data transfer rate - up to 300Mbps Stronger Wi-Fi connection for more reliable web browsing, even at distance Supports 64/128-bit WEP, WPA, WPA2 Functions for high level of security. Manufacturer's Lifetime Warranty