ZyXEL P-793H. Cabling technology: 10/100M Auto MDI/MDIX. DSL connection type: ADSL. Supported network protocols: IEEE 802.1d, VoIP protocols: TCP, UDP, ICMP, ARP. NAT functionality: SUA/Multi-NAT Internet Sharing, VPN support: VPN (IPSec, PPTP) Pass-through. Certification: FCC, CE