Netgear ADSL Firewall Router. Routing protocols: DNS, L2TP, PPPoA, PPPoE, RIP, UDP, Data link protocols: NAT traversal (VPN pass-through) for IPSec, PPTP and L2TP VPNs, Management protocols: SNMP,Telnet. Firewall security: Stateful Packet Inspection, Intrusion logging and Reporting, Denial of Service protection. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 10 - 90 %. Minimum system requirements: • ADSL Internet service • Ethernet connection (adapter and cable) for each PC. Interface: ADSL, Supported data transfer rates: 10/100Mbps, Maximum data transfer rate: 0.1 Gbit/s