Your equipment purchase can involve spending only a few hundred dollars, or it can involve spending hundreds of thousands of dollars. The more money that you plan to spend, the more important it is that you include all of the following steps in your selection process.
Before you select your wireless equipment, take the time to review your wireless network needs:
How many wireless end users do you want to serve?
What network architectural elements do you want your wireless network to include?
Do you need only point-to-point links or will you deploy point-to-multipoint APs?
Do you need wireless backbone bandwidth?
Do you need mesh network nodes or repeaters?
What features ...