I am now thinking about getting adsl modem with built-in wireless router and using wireless USB adapters for the desktop and the laptop.
They come with rechargeable batteries and a built-in radio modem.
This is the standard networking cable that you'd use with your high-speed modem and router.
Communications - Ethernet, modem or wireless, these are the three ways computers can get online to communicate with the outside world.
Tethering is when the phone is used as a cellular modem for a notebook computer, getting that laptop connected to the Internet.