... gasp alarm in the case of a power failure.3G-HSPA+7 interface cardSIC cardProvides two 3G interfaces to transmit and ... other is the secondary interface.Supports GSM/GPRS/EDGE.Supports HSPA+/HSUPA/HSDPA/WCDMA.Provides Mini-USB interface for diagnostics ItemAR2220AR2240HardwareForwarding ... ), NTP, CWMP, Auto-Config, deployment using USB disk, NetConf, CLI Huawei AR2200 Series Enterprise Routers