Adtran NetVanta 3130 1700611G2 Fixed-port ADSL Access Router with Four-port Switch ADSL/ADSL2/ADSL2+ Interface ADSL ITU G.992.1 (Annex A) ADSL ITU G.992.2 (Annex A) G.Lite Extended Reach ADSL (RADSL) ADSL2 ITU G.992.3 (Annex A) ADSL2+ ITU G WAN Ports: ADSL/ADSL2/ADSL2+ Interface ADSL ITU G.992.1 (Annex A) ADSL ITU G.992.2 (Annex A) G.Lite Extended Reach ADSL (RADSL) ADSL2 ITU G.992.3 (Annex A) ADSL2+ ITU G.992.5 (Annex A) LAN Ports: 4 x 10/100Mbps LEDs: Power (Stat) WAN (Ethernet) VPN LAN (Switch Ports) Dial Backup (optional) VPN: IPSec Tunnel Mode: 10 Tunnels Encryption: DES, 3DES, and AES Authentication Mechanisims: XAUTH, Digital certificates, Pre-Shared Keys, and Secure ID Temperature: 0°C - 50°C Humidity: Up to 95%, non-condensing Dimensions: 2.25 x 9.25 x 6.63 Weight: 1.0 lbs.