1.Support double cellular link backup
2.Support triple link backup among cellular, cellular and WAN(PPPOE, ADSL) (optional)
3.Support VPN client(PPTP, L2TP, IPSEC and GRE)(only for VPN version)
4.Support port mirror function(optional)
5.Support WiFi AP, WiFi AP client and WDS(optional)
6.Support multi online trigger ways, including SMS, ring and data.
7.Support link disconnection when timeout
9.Support wireless video monitoring and dynamic picture transfer
10.Support DHCP server and client, DDNS, firewall, NAT, DMZ host etc.
11.Support multi protocols, such as TCP/IP, UDP, ICMP, SMTP, HTTP, POP3, OICQ, TELNET, FTP, SNMP, etc.