Item is still sealed inside plastic wrap.
Can be used to connect to a high speed (300 Mbps) wireless network. 
Comes with all necessary equipment required for installation including resource CD.
Compatible with Windows 8, Windows 7, Windows XP, and Windows Vista.

Official description by manufacturer
  • Excellent N speed brings best experience for HD video streaming or internet calls
  • Three antennas increase the wireless robustness and stability
  • MIMO technology with stronger signal penetration strength, wider wireless coverage, providing better performance and stability
  • Easily setup a highly secured wireless link with WPS™ (Wi-Fi Protected Setup)