1. Built-in 2G/3G/4G industrial cellular module and sim card slot, insert SIM/UIM card to work directly. 2. Auto-dial feature, keep alive link 3. Built-in watch dog 4. 1 WAN RJ45 port + 1 LAN RJ45 port (WAN RJ45 can convert into LAN R45 to get 2 LAN

SMS/Voice (optional):SMS/Voice call to control router to be online, offline and reboot GPS (Optional):GPS feature DTU (Optional):With DTU feature (Serial to Cellular Gateway feature, RS232 or RS485 port option) VPN: PPTP, L2TP, IPSec, GRE, Tunnel　(PPTP client, L2TP client, IPSec client, IPsec server) OpenWRT: Optional VRRP: Optional Dynamic Route: BGP/OSPF Optional SNMP: Support V1, V2. V3 VLAN: Support multi-LAN IP address, support two IP address Wi-Fi: Optional, 802.11