Allied Telesis ADSL bridge/router, AT-AR256E. Cabling technology: 10/100TX. DSL connection type: ADSL, Upstream data rate: 3.5 Mbit/s, Downstream data rate: 24 Mbit/s. Data link protocols: IP/TCP/UDP/ICMP/ARP/RARP. Flash memory: 2 MB, Internal memory: 8 MB. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -20 - 70 °C, Operating relative humidity range: 30 - 80 %