The D-Link DSL-2870B is a wireless router designed for home and small office use. It supports both ADSL2+ and VDSL2 connections, providing a maximum download speed of up to 100 Mbps. The router features four Ethernet ports, one USB port, and a built-in firewall to protect your network from online threats. It also supports Wi-Fi Protected Setup (WPS) for easy wireless network setup and encryption, and Quality of Service (QoS) to prioritize network traffic for smoother performance.

The DSL-2870B 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 , 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 and . 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.