The modem is wired to the Internet via the cable company's coaxial cable, the telephone company's DSL phone line, Verizon's FiOS network or a satellite modem. The router is wired to the modem.
You can use any modern router with Verizon Fios without restrictions. Verizon does not have specific requirements for using routers from other brands. However, you need to use Verizon's modem in ...