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A broadband router is a computer device that receives or forwards data packets to and from the Internet towards a destination in the process called routing. A broadband router is the essential component of the computer networking that enables any sent data to arrive at the right destination.

The main need for these types of devices is while transmitting data. These devices have the stuff to transmit data between the distinct networks as data packets. Information is mostly transmitted from one system to other as packets of data. The basic requirement of this type of transmission is that two networks are needed to connect a router. A broadband router has to be used to connect those networks to transmit data between each other. These routers are performed as a gateway for those networks.

A router (broadband router) is also a device that enables two or more computer to receive data packets from the Internet under one IP address at the same time. Remember that to be able to connect to the Internet, a computer must have an IP address unique from the rest of the computers. Therefore, every computer connected to the Internet has it own IP address. It is like having a fingerprint or ID as an access pass to be able to enter the web. With the presence of the router, this “fingerprint” or “ID” could be shared by two or more computer at the same time.

In simplest form, a broadband router makes two or more computer use the Internet at the same with one access pass. One more thing: a computer with cable modem could also be considered as a router. In this, the computer would do the process of routing like normal routers do. Other computers are then connected to the computer with Internet connection that would give it with the Internet connection. The computer with cable modem has the direct contact with the Internet and the ones connected to it are sharing the connection.

Actually, ADSL broadband is accomplished by upgrading your existing telephone line for high-speed internet services. Here ADSL modem routers work by just plugging directly into the upgraded telephone line and thus avoids the need of a separate modem. Once connected, the ADSL modem router is automatically able to share the broadband internet with all the computers in your network.

Why would anyone need a router? For households with two or more computers who would want to have Internet connection to every computers they have, taking subscription for each would be too much. The solution is to buy a router that would enable every computer in the house to have an Internet connection. In the definition above, the broadband router would act as a hub to the existing Internet connection.