if your router outdate and not provide a full network coverage then Wi-Fi repeater is your problem solution. you need to purchase a new Wi-Fi repeater. if you do not know about the repeater then I tell you that Wi-Fi repeater is the device who enhance your Router coverage area, remember it only increase the coverage are not speed. my blog will tell you about Wi-Fi Repeater setup process. if you purchase a new Repeater and thinking about how to setup it, then read my blog I have explain all steps very briefly in my blog. for more informati0n about routers and extenders come to my site https://routerssetup.com. follow all steps very carefully.