A router facilitates communication between your home's internet-connected devices and the internet. These devices establish a network with the router, and the router will manage incoming and outgoing internet traffic on that network. In addition to the router, there is a modem. Your home network is unable to access the internet without a modem. The modem's function is to provide internet from your internet service provider into your residence. It establishes a connection with your router and provides your home network with internet connections.

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