Router?modem?gateway?access point?

Hi guys!
i'm looking for a replacement for my old linksys 'gateway'. It has started to fail every 4-5 hours so i need a new piece of hardware.

My question is, is there any difference between routers, modems, gateways and access points? which one is the component that i need?
Can't find documentation about the characteristics of each one. Thanks a lot!!
3 answers Last reply
More about router modem gateway access point
  1. Hi again!
    I had a gateway only. So i need a modem and a router? i suposse then that the gateways are both modem and router, is this correct?
  2. What model Linksys do you have?

    Does a TV cable or a Telephone line hook up to it?
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