ZyXEL ZyWALL 2. Data transfer rate (max): 100 Mbit/s. Management protocols: DHCP client/server, Multi-NAT/SUA, Routing protocols: ARP, ICMP, TCP, UDP. Content filtering: Java/ActiveX/Cookie/Proxy/URL. Dimensions (WxDxH): 181 x 128 x 36 mm, Weight: 0.33 kg. Operating temperature range (T-T): 0 - 40 °C, Operating relative humidity range: 5 - 90 %