Realtek Rtl8191se Mini PCI-e Half Height Wireless WLan Card with 802.11b/g/n 2.4 Ghz 150mbps Note: This Wireless Card could not work on IBM/Lenovo/Thinkpad and HP Version Laptop Technical standard: IEEE 802.11b/g/n Interface: Half Mini PCI Card Frequency band: 2.4 GHz Data transmission speed: With Maximum Tx/Rx PHY technology up to 72.2M/144.4Mbps using 20MHz bandwidth 150M/300Mbps using 40MHz bandwidth