The answer is actually no—fiber optic equipment differs significantly from cable setups. This means that if you have a fiber internet connection, a fiber router will be able to take full advantage of the high speeds offered by. Fiber-optic cables, incredibly thin strands less than a tenth the diameter of a human hair, are revolutionizing how we connect to the internet. Unlike traditional cable services, fiber internet transmits data using pulses of light rather than electrical signals, delivering speeds up to 10Gbps with. Fiber internet doesn't use a modem, but it needs some extra stuff to work. These fast speeds lead to shorter loading times, better streaming, and smoother online gaming.