H820 4G Lte Router Main:
Industrial class,with sim card slot
Interface:1 RJ45 WAN Port + 4 RJ45 LAN Port;
Optional additional port: DB9 RS232 or RS485 port

VPN(PPTP,L2TP,IPsec,GRE),SNMP, VRRP, DDNS, DHCP, NAT/NAPT, Web, Auto-dial,always online,watch-dog;
Line WAN(xDSL), Cellular, WiFi Client can backup; two H800 can work as dual sim dual module backup
Option feature:
1) Serial port (Serial to Cellular Gateway Feature);
2) WiFi 802.11b/g/n (working as AP, Bridge Repeater, Client);
3) GPS;
4) SMS/Voice control;
5) RIP,OSPF,BGP
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