Although costs are continually decreasing, setting up a residential or So/Ho Wireless LAN is not generally very costly. Setting up A Wireless Business LAN may come at a premium. Nevertheless, for both setups, if you are sharing multiple PCs and files it is a worthwhile wireless benefit.
Some of the Business LAN wireless accessories will range from about $200 to $800 for network cards, with access points costing $1,000 or more. Wireless bridges that link wired LANs can together range from $2,000 to as high as $10,000 per node, depending on performance and the size of the network. Adapters cost around $300.
For a Residential LAN or SO/Ho wireless LAN, you can expect to pay around $100 per PC Card and $300 per access point. These will be adequate enough to allow users to share access to the Internet.
On an average, wireless subscribers should expect to pay about $30 to $50 a month based on the amount of voice communication they use, or data they transmit.