1) Built-in 3G WCDMA HSPA industrial cellular module and two sim card slots, insert SIM/UIM card to work directly.
2) Auto-dial feature, keep alive link
3) Built-in watch dog
4) 1 WAN RJ45 port + 4 LAN RJ45 port, POE supported
5) Support VPN (PPTP, IPSec, L2TP, GRE)
6) standard SMA antenna can be replaced with high gain type
7) RJ45 WAN (xDSL) and Cellular backup each other (Route Fail Over Feature)
8) Always online, Reboot if the connection is failed.
9) Support DDNS, NAT/NAPT/DMZ/Port Forwarding, DHCP, DNS proxy features
10) with WiFi 802.11a/b/g/n
11) Serial Port (RS232 or RS485 option, choose one)
12) with GPS feature
