... ) Connected by USB 3G modem 3) 3G mobile router 4) WiFi, Built-in battery, DHCP,DDNS,DMZ, NAT Without ... support: TCP, UDP, SMTP, POP, ICMP, FTP, PPP, PPPoE, DHCP, DNS, SNMP, VPN, NAT, NAPT, DMZNAT & NAPT with VPN pass-through ... hours for idle time Pocket 7.2Mbps 3G WIFI Wireless Router-MH668B