A router is a device that joins networks together and routes traffic between them. A router will have at least two network cards (NICs), one physically connected to one network and the other physically connected to another network.outing is the process of forwarding IP packets from one network to another. Next question comes in our mind, why I need router ? Answer is yet simple - add few more questions to this and you will get answer. Do you own one computer or laptop or more ? Do you have smartphones and tablets ? We are sure you will be having more than one gadgets. So you need routers. As this device will make you network connectivity quite simple and fast. There is a big list of brands in the router comparison market which makes the filtering and finalization process more complicated. Why not spend some time here at comparestore and go through our easy to compare list of product features all at one place before you go ahead and start looking at best rating, reviews and price online.