Ericsson IBM Lenovo F5521GW Gobi3000 Mini PCI-e 60Y3255 60Y3279 04W3767 3G WWAN Card GPS HSPA 850/1900/2100MHZ EDGE/GPRS/GSM 850/900/1800/1900 MHz Air Interface HSPA+ Product Compatibility: L420, L421, L520 T420, T420i, T420s, T420si T520, T520i W520 X1, X220, X220i, X220 Tablet, X220i Tablet Compatible with: Windows 2000/XP/VISTA/OSX/Ubuntu system/windows 7