For fiber, your router needs the right WAN connection, speed support, and Wi-Fi capabilities. Routers designed for DSL (which uses phone line inputs) or cable (which uses coaxial inputs) won't work. These signals require a modem to convert them into digital data for home networks. org/wiki/Network_interface_device#Optical_network_terminals Some ISP's use ONT's that have integrated routers - its easier for THEM but it gives them more control over. Yes, you can install internet without a cable outlet by using alternative options such as a DSL connection that uses your phone line, fiber-optic internet that can be connected via an Ethernet cable, or wireless internet service that utilizes a modem or router without the need for a cable outlet. This means you don't need a specialized modem-router device, but your router must support high-speed Ethernet input. While many users ask if fiber internet needs a modem, it actually. The answer is actually no—fiber optic equipment differs significantly from cable setups.
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