Many households now have one or more computers, and wireless networking allows internet connections and printers and files to be shared.
It can be confusing getting this running correctly and securely. I can advise and install a wireless network for you and set up the security.
Many Internet providers now supply routers with wireless built it but often these are not powerful enough to reach the rooms where you would like to be able to use it. I can advise and supply solutions where this is the case.