ZyXEL Prestige 324 Router. DSL connection type: ADSL. Routing protocols: ARP, ICMP, TCP, UDP, Management protocols: TFTP/FTP, SNMP, Supported network protocols: RR Manager, PPPoE, PPTP. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 5 - 90 %. Weight: 0.33 kg. Power requirements: 9VAC, Maximum data transfer rate: 0.1 Gbit/s, Dimensions (WxDxH): 181 x 128 x 36 mm