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First comment. «dad joke>I think this photo is showing a wireless security engagement, as it appears she is about to propose to the wireless /<dad joke>
also.. survey results will be super accurate as the radio signal is not altered by her holding it like its a magic wand.
I have a few issues with this section also. I have seen countless wireless installs that are rubbish. While this deals with a “security audit” for wireless, we need to look at wireless as a entity. 50,000 foot overview of key items to consider:
did someone do a wireless site survey? If so, what hardware was used for the survey? what methodology did they use?
I have seen people that just place AP’s on a floor plan in a design tool to calculate ideal placement. this is GENERALLY ok, but the gold standard is an actual survey to understand signal propagation. I have seen offices with terrible reception that were in a refurbished building that was formerly a medical facility.. wifi does not propagate well through lead lined walls fo a former xray room.
did their design tool have all wall materials defined (brick/sheetrock over wood/sheetrock over metal stud, etc), does it include windows (important for propagation)
How many times have you seen an AP mounted on a wall? I challenge you to go find the wireless radiation pattern for that exact AP (don’t be concerned with the term “radiation”. this does NOT mean they are filled with radium, it just is the proper term to describe how radio waves radiate outwards from the device depending on antenna configuration. a typical AP you will find in offices are in the shape of a donut and are assuming they would be ceiling mounted. the best coverage is that donut shape below the AP, and the weakest is the center of that donut. if its wall mounted then most user locations will either be in that weakest zone, or be picked up after being bounced off of walls/windows. we can discuss this in detail if its helpful.
In my opinion the design tools are a good tool but it should be a starting point. lets consider the design tools to be a hypothesis but we need the actual site survey to take it to a proven theory.