Atheros AR5009 AR9281 AR5B91 Half Mini PCI-e WLAN Card 802.11b/g/n 300M Note: This Wireless Card could not work on IBM/Lenovo/Thinkpad and HP Version Laptop Wi-Fi CERTIFIED: 802.11b/g/n Transmission speed:300Mbps(Max) Interface:Half Mini PCI-E Model: AR5B91 AR9281