Hardware Specifications: 5* 10/100/1000Mbps Ethernet ports 1* 100/1000Mbps SFP optical port 1* SIM card slot 2* 4G antenna 2* WIFI antenna 1* FUNC button 1* GPS antenna(optional) 1*USB Port 1* 3 standard core power interface 4G/3G/2G access The frequency bands could be customized WIFI module: 802.11 b/g/n, 300Mbps dual channel Dimension: 179mm*135mm*34mm Structure design: the high-duty metal case Power consumption: 15W Input: DC12V/1.5A Operating temperature: -40+85C Operating humidity: 1095%RH Store temperature: -40+85C Installation: desktop, wall-mounted, slideway Key features: Various network protocols: TCP/IP, UDP, HTTP, TELNET, ICMP, DHCP, PPPoE, DNS etc. Port setting: Port Mirroring, Flow Statistics, LAN and WAN Port Setting Multi-WAN Function LTE+SFP Fiber+Ethernet Load Balancing WAN Load Balancing: Bandwidth Occupancy, WAN IP Tracing WAN Bandwidth Percentage Display LAN IP Statistics Detecting Online: ICMP Detecting, ICMP Detecting Static routing and dynamic routing of RIP/OSPF/BGP PWE3, VPLS, L3 VPN QoS: packets priority, traffic policing, traffic shaping,rate-limiting Centralized network management of CLI, WEB and SNMP NAT function ACL function Firewall, packet filtering etc VPN functions: GRE, L2TP VPN, IPSec VPN, EOIP VPN, MPLS VPN etc. (VPN optional, GRE over IPSec, IPsec over L2TP.) 802.1Q VLAN and QinQ Link detective functions such as BFD, DLDP(switch to backup link according to detective result quickly) Log function