Dw1530 BCM43228 A/B/G/N Wireless Mini Pci-e Card Half Size USE for DELL Half Size Mini PCI Express (Mini PCI-E) interface Support 802.11a/b/g/n up to 300Mbps Universal antenna ports, MAIN and AUX Dimension: 6.1CM x 4.4 CM x 0.3CM This card could not compact with any LENOVO/THINKPAD/COMPAQ /HP laptop Desktop computer