The D-Link DVG-N5402SP is a wireless router designed for small businesses or home offices. It supports both wired and wireless connections, with four Ethernet ports and Wi-Fi connectivity. The router features Quality of Service (QoS) technology to prioritize network traffic for applications such as VoIP and video streaming. It also includes VPN support for secure remote access and a built-in firewall for network security. The DVG-N5402SP supports multiple SSIDs and VLANs, allowing for multiple virtual networks to be created for different departments or users.

The DVG-N5402SP is a router manufactured by the company D-Link that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 192.168.1.1, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their admin and password. Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.