Linksys Wireless-G, Annex B ADSL2+ Gateway with SpeedBooster. DSL connection type: ADSL, DSL specification: Annex B. Networking standards: IEEE 802.11b, IEEE 802.11g, IEEE 802.3, IEEE 802.3u. Data link protocols: Ethernet, Fast Ethernet. VPN support: IPSec, PPTP, L2TP. Certification: CE, Wi-Fi