When you are setting up a wireless network, it is important to remember that you will need both routers & modems in order to do the job correctly. You cannot set this up with only one of those devices, but this is a mistake that many people make. They do not realize that they have to have both until they are already trying to set the whole system up. This can lead to hours of frustration. It will eventually lead to the person buying the piece of the system that they have forgotten.Modems are the devices that bring the internet signal into the home. They need to be connected to your main computer and to the internet line that comes in through the coaxial cable. When they are used with a router, they need to be connected to the router instead of your main computer. They take the signal that