... by USB 3G modem 3) 3G mobile router 4) WiFi, Built-in battery, DHCP,DDNS,DMZ, NAT Without ... at UMTS/EDGE, 3.1Mbps at EVDO/CDMA1xSupports WiFi 802.11b/g/n, Access Points,Routers and Gateway ... port, 1 WAN port, USB port for external modem, Micro SD slotProtocol support: TCP, UDP, SMTP, POP, ICMP, FTP ... in-built firewallLED Indicator x 5(PWR, 3G, WIFI, SYS, WPS)Support USB flash driver for firmware update ...