The DSL-2520U ADSL2+ Combo Modem Router is an affordable high-performance ADSL device for home and small office environments. With integrated ADSL2/2+ supporting up to 24 Mbps download speed, firewall protection and Quality of Service (QoS). This router provides all the essentials that a home or small office needs to establish a secure and high-speed remote link to the outside world. Security features prevent unauthorized access to the home and office network from Internet intruders. When needed, multiple computers at home and at office, can also share the high-speed Internet line using the router’s built-in DHCP server/NAT functions and an externally connected Ethernet Switch.