D-LINK DSL-2740U/NRU, Wireless 802.11n / Ethernet ADSL/ADSL2/ADSL2+ Router, 1 ADSL/ADSL2/ADSL2+ port, 4 10/100Base-TX LAN ports, 802.11n wireless LAN, 802.11b/g compatible, non detachable antenna, ADSL standards: Multi-mode Full-rate ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A/C/I, ITU-T G.992.2 (G.lite) Annex A/C, ITU-T G.994.1 (G.hs); ADSL2 standards: ITU-T G.992.3 (G.dmt.bis) Annex A/J/K/L/M, ITU-T G.992.4 (G.lite.bis) Annex A; ADSL2+ standards: ITU-T G.992.5 Annex A/L/M. Static routing, DHCP, NAT, built-in Firewall support, Multiple IPSec/PPTP/L2TP pass-through, Web-management, SNMP v1, v2c; Quick Installation Wizard (DCC, D-Link Click and Connect), PVC/VLAN port mapping (bridge mode), ADSL splitter