Huawei E352 Unlocked GSM 3G HSPA+ 21.6 Mbps USB Mobile Broadband Modem 1 Regular Sim Card 3G H+ HSPA+ Unlocked GSM Carrier Desbloqueados GSM (NOT Verizon Sprint Net10 or Any CDMA Carrier) 3G UMTS:850/900/1900/2100mhz MHz GSM: 850/900/1800/1900 MHz. up to 21.6 Mbps. Modem uses Regular Sim Card Hotspot Service is required. (No sim card or Services included). Support External Antenna SMS Support USA LATIN Euro Asia CARIBBEAN Bands Windows 2000, XP, Vista, 7, 8 , 10 Mac OS X 10.5-10.8 /Logo Unlocked