... USB 3G modem 3) 3G mobile router 4) WiFi, Built-in battery, DHCP,DDNS,DMZ, NAT Without HSUPA HSDPA ... Module;Need external HSUPA/HSDPA/EVDO CDMA USB ModemBand: UMTS HSDPA HSUPA: 850/1900/2100Mhz ... RJ45:1 LAN port, 1 WAN port, USB port for external modem, Micro SD slotProtocol support: TCP, UDP, ... operation48 hours for idle time Pocket 7.2Mbps 3G WIFI Wireless Router-MH668B