Is it for home ?
Yes you can set up your own wireless at home usually provided by a wireless-enabled modem. Users should be able to easily connect to one another via radio frequencies at ranges of 30m or more.

Is it for business ? Wifi - allowing workers to embrace mobility and escape the constriction of cables for freedom in their offices and beyond. So what's it all about, how does it work, and where can you use it? The Wi-Fi option will enable workers to remain in touch with their network connection, or at least access email and the web, as long as they're within a  coverage area.

How does It Work ?
A wireless network uses radio waves, just like cell phones, televisions and radios do. In fact, communication across a wireless network is a lot like two-way radio communication

What Do I Need ?
A laptop or handheld with wireless capability. Most new laptops and many new desktop computers comes with built-in wireless transmitters. If not, you can buy a wireless adapter that plugs into the PC card slot or USB port. A standard internet-ready browser on any operating system.