Atheros AR9287 AR5B97 Wireless BGN 300 Mbps 802.11 b/g/n Half Wifi Pci-e Card Note: this wireless card could not work on IBM/Lenovo/Thinkpad and HP version laptop Speed: Up to 300 Mbps The Atheros AR9287 single-chip PCIe solution for mid-tier notebook and netbook PCs offers greater performance and value over alternative value-class and mid-tier 11n solutions, including 1x2 designs. Atheros' new MIMO design for PCs delivers up to 300 Mbps PHY rates in both transmit and receive modes. Wireless Standard: 802.11 b/g/n