Wireless Site Survey's

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 The goal of a passive survey is to report on all signals at each location, including the installed network and signals from neighboring sites or other devices that generate noise at wireless frequencies. 

 Active surveys focus on a specific signal or set of specific signals and produce an extensive list of measurements for each AP that generates a studied signal. These measurements include signal strength, throughput, round-trip time, packet loss and retransmission rate throughout the area where the signal is used. Active site surveys also measure upstream and downstream data rates and might result in teams moving an AP or adding or removing an unneeded AP. Teams should perform active surveys whe

It might be tempting for network teams to avoid the cost of doing a site survey. Often, teams want to use rule-of-thumb guidelines to determine how many APs a given area needs. The estimate might be adequate for some deployments, but it could also result in more or fewer APs than applications and performance levels require. Even if the estimated number of APs is accurate, guesses about where to locate the APs might not provide the performance needed.

In the end, skipping a site survey could resul