D-Link Wireless N300 ADSL2+ 4 Lan Port Router

Ultimate Wireless Connection

The Wireless N 300 ADSL2+ 4-Port Router provides wireless speeds that are much faster than 802.11 g, allowing you to maximize wireless performance and stay connected from virtually anywhere in your home and office.

Firewall Protection and QoS

Security features prevent unauthorized access to the home and office network from wireless devices or from the Internet , The Wireless N300 ADSL2+ 4-Port Router Provides firewall security, such as Stateful Packet Inspection (SPI) and hacker attack loggzing. SPI inspects the contents of incoming packets before they are allowed in, while hacker logging helps to protect your network against Denial of Service (DoS) attacks. For Quality of Service (QoS), the router supports priority queues to enable a group of home or office users to experience the benefit of a smooth network connection without worrying about traffic congestion, and a built-in WPS button provides an easy way to establish a secure wireless connection.

Compatibility Assurance

The Wireless N 300 ADSL2+ 4-Port Router is backward compatible with existing 802.11 b and 802.11 g wireless equipment, ensuring compatibility with a wide range of wireless devices and making your older devices still relevant. In addition, the DSL-124 includes four Ethernet ports for connecting Ethernet-enabled PCs, print servers, and other devices.

for more info check the manual here