How do I connect multiple computers to the connection? NNWIFI will install a single Ethernet jack inside your home at our Standard Installation fee. If you have more than one computer, you will need to purchase a wireless router or our professional installers can run additional cable drops for $100.00 per drop. A router acts as a splitter, allowing up to four or more computers to be plugged in directly, and it also wirelessly sends your Internet signal throughout your home to any computer or laptop with a wireless card. An 802.11g wireless router typically can be purchased from us at the time of install. We will also configure that router and add security to your network.