Modem vs Router: Key Differences
A modem and a router perform different but complementary roles in a network. A modem connects your network to the internet by converting signals from your ISP, while a router distributes that connection to multiple devices and manages local network traffic. The modem provides internet access, whereas the router creates a local network (LAN), assigns IP addresses, and manages Wi-Fi and security. In many setups, both functions are combined into a single modem-router unit for convenience.
Modem vs Router Comparison
Function:Â Modem connects to the internet; router manages and distributes the connection
Connection:Â Modem links to ISP; router connects to modem
Device support:Â Modem supports one device; router connects multiple devices
Network role:Â Modem does not create a network; router creates and manages a LAN
Features:Â Modem has no device management; router handles IP, Wi-Fi, and security
Setup:Â Can be separate devices or combined into one unit