... tested quality before delivery Huawei EM770J 3G WWAN mini PCI E embedded network card DESCRIPTION:WWAN Modem compatible with Windows ... Ready models) among other Laptops/UMPCsInterface : Mini PCI EFrequency bands: GSM: 850, 900, 1800, 1900MHzHSPA/UMTS: 850, 1900, 2100MHzHSPA Embedded Module : HSUPA: ... 3. The card compatible all brand laptop that have Mini pci-e & Sim Card Slot.4. before buy it ,please ...