Routers are like cars. All cars have the same basic functions of getting you from point A to point B. Some cars are small and slow and can only hold one or two people. Some cars are large and fast and can hold 6-8 people.
Routers are similar to cars. Your internet depends on your router. Some routers transmit data slow, some transmit it fast. Some routers can support 1 connected device, some routers can support up to 15 connected devices. Your internet experience is extremely dependent on the quality of your router. If you need help picking one out visit the experts are our Tech Center.