Huawei E353, USB Dongle - Unlock - 21.6 Mbps (3G/4G Latin, Caribbean, Europe, Africa & Asia bands) Huawei USB Dongle is UNLOCKED to all SUPPORTED networks. 4G/3G in 900/2100MHz - 21Mbps MicroSD card slot up to 32GB External CRC9 antenna port, antenna not included. Sim Card & Internet Service Required (Standard Size)