That's why small modems are built into devices like smartphones, to translate the internet connection provided by your mobile service provider. No matter what, a modem is necessary to connect to the internet. Then, there's there the necessity that each device plays when it comes to connecting to the internet. However, a router assigns a variety of local IP addresses for communication within the network. The router makes sure that every device stays in its lane and doesn't interrupt the connection of other devices or intercept their data.Īnother difference between a modem and router is that a modem has a single, public IP address. It helps vehicles (your devices) gain access to the bridge (modem) that leads to the internet. You could imagine the router as a traffic guard. While the modem is the bridge between your home and the internet, the router is responsible for creating your local network within the home. The essential difference between a modem and router is their role when it comes to connecting you to the internet.
