TL-R480T features much more advanced functions to ensure your consistent network uptime and reliable Ethernet connectivity, such as Bandwidth Control, Rate Limit, Session Control. With multiple functions, high-reliability, and high-security, it widely meets the requirements of small business, office, Internet cafe. IP and Port Based QoS Quality of service function is important if the network capacity is insufficient, especially for real-time streaming multimedia applications, such as VoIP and IPTV. TL-R480T support strong IP and Port based QoS, it enables your streaming multimedia, Video Teleconferencing, gaming etc. with high performance. IP and MAC Address binding efficiently avoids network attack IP and MAC Address binding ensures that only those computers that pass verification using both the correct IP and MAC address can access the network thereby limiting the ability of hostile entities to attack the network. WAN interface online detecting and testing WAN interface online detecting and testing is to inspect the connectivity of lines through PING/Tracert detecting or DNS request, and it is of great help for administrators to check and rule out the barriers and mistakes. Safety Minded Enterprise Investments Professional lightning protection technology is designed to prevent electrical surges from penetrating the interior of the electrical equipment and is discharged harmlessly into the Earth. This router is designed to prevent lightning up to 4Kv in the well-grounded connection conditions. This feature ensures that networking infrastructure investments remain as safe as possible from one of mother nature's more violent situations.