Canadian internet education

Router vs Modem

A modem or ONT connects to the provider network. A router manages Wi-Fi, firewall, Ethernet and local devices.

This page is general education. It does not confirm provider availability, pricing, or suitability at a specific address.

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Plain-English explanation

A modem or ONT connects to the provider network. A router manages Wi-Fi, firewall, Ethernet and local devices.

Questions to ask

Equipment comparison table

TermMeaning
ModemConverts cable or DSL service into a home network connection.
ONTOptical network terminal used in many fibre setups.
RouterCreates Wi-Fi, Ethernet, firewall and local networking.
GatewayCombined provider device that may include modem/ONT and router functions.
Mesh Wi-FiMultiple Wi-Fi units working together for wider coverage.

Related guides

Tools

Read the tools guide.