Linksys Wireless-G, Annex A ADSL2+ Gateway + SpeedBooster. Cabling technology: CAT 5 UTP. DSL connection type: ADSL, DSL specification: Annex A. Networking standards: IEEE 802.3, IEEE 802.3u, IEEE 802.11b, IEEE 802.11g. Supported network protocols: CP/IP, PPTP, L2TP, IPSec, PPPoE, PPPoA. VPN support: IPSec, PPTP, L2TP