... 850/900/1800/1900MhzEVDO/CDMA1x: 800/1900Mhz, 450Mhz optional"Data Speed: 14.4 Mbps downlink at HSDPA and 5.75Mpbs uplink ... ; speed rate up to 300Mbps Support: PPP, PPPoE, DHCP, DDNS, NAT, NAPT, DMZSecurity through WEP, WPA-PSK WPA2-PSK wireless safety ... field, weather forecast, environmental protection, street lamp control, post, bank and many other areas.Typical Diagram of Wireless 3G Router with sim ...