this huawei e3372 lte modem is powered with lte cat4 technology, it gives you the benefit of higher download data transfer rates specifically up to an incredible 150 mbps. gear up to enjoy advanced hilink performance.product features:brand: huaweimodel: e3372type: wirelessadsl connection: nohighly stable lte cat4 technologylte cat4 technology, it gives you the benefit of higher download data transfer rates specifically up to an incredible 150 mbpsgear up to enjoy advanced hilink performancedouble external antenna interface supportthe e3372's double external antenna interface has the unique power to improve network strength in areas with poor signalboosts the user experience by making internet access more convenientdiverse scenarios, premium performancelte fdd : cat4 dl:150mbps/ul:50mbps @20m bwhspa+: 42/5.76mbps, 21m/5hspa+: 42/5.76mbps, 21m/5.76mbps, 14m/5.76mhsupa: 7.2m/5.76m, edge: 236.8 kbpssd card: supports 2tbos support: windowsxp,vista,windows7/8,mac, win blueproduct dimensions: 10.4 x 3.6 x 2.4 cmitem weight: 41 gbrand: huaweimodel: e3372type: wirelessadsl connection: n