product description : wireless-g adsl2+ gateway ports : dsl, ethernet (1-4), power standards : 802.11g, 802.11b, t1.413i2, g.992.1 (g.dmt), g.992.2 (g.lite), g.992.3/4 (adsl2), g.992.3 annex l (adsl2 l), g.992.3 annex m (adsl2 m), g.992.5 (adsl2+), g.992.5 annex m (adsl2+ m), g.994.1 (g.hs) g.996.1 (g.test), u-r2 for annex b buttons : reset, wi-fi protected setup led : power, ethernet, security, wireless, dsl, internet antenna gain : 2 dbi cabling type : cat 5 utp, rj-11, rj-45 connector type : internal rf pwr (eirp) : 802.11g: 15 dbm, 802.11b: 17 dbm security : vpn passthrough (ipsec, pppoe, pptp, l2tp), dos protection, wpa2/wpa personal and enterprise, wep, mac address filtering, nat, spi firewall enhanced security management functions: port filtering, mac and ip address filtering, dmz hosting, and nat technology dimensions : 202 x 34 x 160 mm; weight : 340 g * unsurpassed wireless security with wi-fi protected access 2 * denial of service (dos) prevention helps prevent ping of death, syn flood, land attack, and ip spoofing * supports vpn passthrough for ipsec, pppoe, pptp, and l2tp protocols * supports sntp for synchronizing with a real-time server