The technology that facilitates this transfer is both at the users and service provider end. The DSL modem at the users end sends data over the telephone line to the service provider where DSL Access Multiplexer stops and influences incoming ADSL lines then redirects the voice traffic to public telephone networks and data to high speed digital lines that connects it to the internet. The problem of interference by large volumes of wires and interference of telephone lines have been overcome by limiting frequency of the signals used to ranges below human voice thus maintaining quality.

Wired routers: They connect to the internet via a cable. They are used for transferring data from different computers and the internet.

Wireless routers: It is used to connect computer via Ethernet cables and in case of the wireless computers via router to the internet. These routers can be used as firewalls or DHPC servers.

A router used in broadband is a small rectangular with various ports used to connect internet via Ethernet and the other ports are used to connect different computers. These days the wireless routers are being preferred over the wired ones.