Atlantis Land A02-RA340 ADSL2+. DSL connection type: ADSL, Upstream data rate: 1 Mbit/s, Downstream data rate: 24 Mbit/s. Supported network protocols: RIP1, RIP2, STATIC ROUTING,IP, ICMP, TCP, UDP, IGMP. Firewall security: SPI FIREWALL, Authentication method: NAT, PAP, CHAP, VPN support: 4 IPSec VPN Tunnels 2 L2TP VPN Tunnels (Dial-in: 1, Dial-out: 1). Input current: 1 A. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 65 °C, Operating relative humidity range: 5 - 95 %