Premiertek GEETEK Ultra Long Distance Indoor/Outdoor WLAN Wireless USB Adapter (Outer PLUS II) USB 2.0 interface w/ 5M USB extended cable 14 dBi directional panel antenna built-in Output power: 281.5dBm (1000 mw) 802.11n: up to 150Mbps High Power USB Wi-Fi Adapter Ultra long distance Improve signal strength and quality Operating System: Windows XP, SP2, Vista, 7, 8, MAC, Linux