![]() Not only does a router allow multiple devices to connect to the internet with derivative IP addresses, it also allows devices on a local network to interact with one another. It is the link between your local network and the internet. The modem plugs into an internet service providers line via telephone wire, fiber, broadband or satellite and then relays the internet to your system or the router through an ethernet cable.Ī router cannot be directly connected to the internet - you need a modem to act as a bridge.Īt home, your router is connected at two ends - one to the internet and another to your private local area network. A router is basically used to share the internet signal, relayed by the modem, to multiple devices using the same IP address - either wirelessly or using an ethernet cable. Nowadays internet signals are usually transmitted via broadband or fiber lines but in the earlier days when telephone lines were widely used, a modem would ensure a steady route is maintained by encoding and decoding digital information. Although not recommended, users can connect the modem directly to the system to stay connected with the internet too. ![]() The main function of a modem is to send internet signals from your service provider to your computer - usually via a router. People running a single PC at home more often than not connect their system directly to the internet provider’s line via a modem’s ethernet cable, but that’s not secure at all too - something we’ll discuss later on. Modems and Routers are also available as a single combined unit these days, but if you don’t have one of those then you must be aware that these two aren’t the same thing.While the modem is a data transfer device that works as a medium to connect you to the internet via ethernet, a router essentially acts as a means to transfer the internet signal to multiple devices at once and allow devices within a local network to interact with one another. The words modem and router are interchangeably used nowadays, and why not, since both of them are meant to provide your computer with an internet connection, but there are a few differences that you should bear in mind.
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