Netgear Router 54Mbps Wless ADSL firewall. Modulation: 16QAM, 64QAM, CCK, DBPSK, DQPSK, OFDM with BPSK, QPSK. Routing protocols: DNS, L2TP, PPPoA, PPPoE, RIP, UDP. Firewall security: Stateful Packet Inspection, Intrusion logging and Reporting, Denial of Service protection, VPN support: NAT traversal (VPN pass-through) for IPSec, PPTP and L2TP VPNs. Operating temperature range (T-T): 0 - 40 °C. Weight: 0.6 kg