Intel Centrino Ultimate-N 6300 Wi-Fi Card Dual-band 2.4/5GHz 802.11a/g/n 450Mbps 3X3MIMO 633ANHMW Note: this wireless card could not work on IBM/Lenovo/Thinkpad and HP version laptop IEEE WLAN Standard: IEEE 802.11a/b/g/n, 802.11d, 802.11e, 802.11i, 802.11h Operating Systems: Microsoft Windows 7, Microsoft Windows 8, Linux, Microsoft Windows XP Intel Centrino Ultimate-N 6300 delivers ultimate Wi-Fi performance with exceptional Intel-only features for an ultra mobile experience. This triple-stream (3x3), dual-band, 802.11a/g/n Wi-Fi product with Wi-Fi Direct combines the best speed (up to 450 Mbps), extended range and robust reliability with innovative Intel features, such as Intel Smart Connect Technology, Intel Wireless Display, Intel My WiFi Dashboard and Intel vPro Technology.