Gredigital 150mbps USB Port Bluetooth Co-Existence Wi-Fi Adaptor USB 2.0 Hi-Speed Interface 20mhz/40mhz Bandwidth Reverse Direction Data Flow And Frame Aggregation Wireless 802.11n USB Adapter With High Gain Antenna, Your Computer Can Communicate Wirelessly With Any 802.11g/N Wireless Router At Home, Coffee Shops, Etc. Operating Systems - win2000 win2003 winxp vista32 vista64 wince5.0 wince6.0 win7 linux mac(10.3/10.4/10.5)Internal Antenna Normally it takes 7-15 working days arriving at you, excluding holidays, weekends & weather delays.