x5 Fast Ethernet ports (10/100Mbps)  x2 Configurable digital input/ouputs and USB 2.0 Aluminum housing, which is capable to withstand harsh environments Unlimited firewall configuration via CLI; DMZ; NAT; NAT-T Numerous VPN services including OpenVPN, IPsec, PPTP, L2TP, DMVPN, Stunnel, and others Supports up to 4096 VLAN IDs for VLAN tagging and port based VLANS Compatible with Teltonika Remote Management System