@General_Oluchi Pretty sure what you and alot of people have is a router with wifi functionality - easy to setup but issue like yours happen especially if you're using the 5Ghz band. What you should have is an Access Point on each floor or just 1 on the top floor connected to a router.
@jacksonosieboh1@FolushoxFolarin@thecableindex Also ensure the industry for production and distribution are located in the SE, same for other regions. Let's see how that little VAT changes dramatically upwards.