1.4 port ethernet adsl2/2+ modem router 2.Supports Annex M, which can double upstream data rates ... 3.Built-in 4-port Switch 4 port ethernet adsl2/2+ modem ... ports(RJ45 )1 Line port(RJ11)LED IndicatorsPower, ADSL, ACT, USB, LAN1~4Dimensions (W*D*H)7.9*5.5*1 ...