... 3G: UMTS WCDMA HSPA Housing: Metal VPN: Pptp, L2tp, Ipsec and Gre Interface: RS232, RS485, Ethernet Port H101-R GPS+WCDMA ROUTER ... allowing you to connect to your existing serial and Ethernet devices with only basic configuration. Also, it supports GPS ... when timeout Support APN/VPDN Support wireless video monitoring and dynamic picture transfer Support DHCP server and client, DDNS, firewall, NAT ...