New Intel Wifi 5100 Half Size Mini PCI-e 512AN_HMW 300 Mbps Card 802.11a/b/g/n 2.4 GHz and 5.0 GHz Note: This Wireless Card could not work on IBM/Lenovo/Thinkpad and HP Version Laptop Intel Wireless Half Size Mini PCI 512AN_HMW WiFi Link Express 300Mbps IEEE 802.11n (draft), IEEE 802.11a/b/g The Intel WiFi Link 5100 Series is a family of IEEE 802.11a/b/g/Draft-N1 wireless network adapters that operate in both the 2.4 GHz and 5.0 GHz spectra. Host Interface: Mini PCI Express Transmission Speed: 300 Mbps(Max) Model: 512AN_MMW