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Fiber to the home (FTTH) is a fiber optic communication delivery form where the fiber extends from a central office to the boundary of a home living space or business office. Once it reaches the home or business office, the signal is conveyed throughout the space using coaxial cable, wireless, optical fibers or power line communication.
The main benefit of fiber to the home is providing faster connection speeds and higher carrying capacity than twisted pair conductors, coaxial cable, or digital subscriber line (DSL). The biggest downside is cost -- which makes fiber unrealistic for many setups.