Wifi Link Intel 5100 512an_hmw 300M A/G/N Half Mini Pci-e Wlan Wifi Wireless Card SPS:572507-001 FRU:43Y6517 USE for HP & THINKPAD Laptop INTEL 5100 512AN_MMW 300Mbps Half Mini PCI Express Card For HP & THINKPAD Transmission Rate: 802.11 a/54M g/54mM /802.11 Draft-N DO NOT USE FOR DELL & NON-SPECIFIED MODELS IN THE DESCRIPTION.