If you need to setup a wireless network, and WiFi doesn't have the power you need, emerging WiMAX technology may fit the bill. The TechZone has just posted a primer on WiMAX that'll give you some insight into what it takes to build a WiMAX network.
"The latest technology buzz is WiMAX wireless networks. We have heard many things about this wonderful new long haul wireless technology that it almost seems as though you are just a phone call away from having yours' designed and installed. Well before you start assuming things like we all do, we thought as engineers and network architects we would share personal experiences and the experiences of colleagues from around the world, in a manner that is direct, helpful, educational, and certainly reality based. This is a backpocket Primer for anyone now dealing with the implementation of a WiMAX network."