In this article

A Wi-Fi site survey is the technical measurement of wireless coverage in a space, carried out before installation or to correct an enterprise wireless network. It shows where the signal is strong, weak or non-existent, what is causing interference and how many access points are needed — and in what position.
What a site survey measures in a business wireless network
Using dedicated tools, the technician walks the space and records the strength and quality of the signal in each zone. The result is a heat map: a floor plan in colours showing the real coverage, without interpretation.
The survey also reveals congested channels and sources of interference.
Predictive survey or on-site survey?
- Predictive — carried out on the floor plan, before any installation exists. It is used to plan the number and location of access points.
- On site — real measurements in the field. It is the most rigorous method and the right one for diagnosing an existing network.
The right moments to ask for one
- New premises Before installing Wi-Fi, to avoid dead zones and surplus equipment.
- Recurring complaints When coverage or speed always fail in the same places.
- Move or refurbishment New walls change the way the signal propagates.
- Growth More people and more devices call for a different density of access points.
DataRoad IT Unlimited
Talk to DataRoad. We assess your operation and propose the right plan.
What you receive at the end
- Heat map The real coverage of the whole area.
- Dead zones Identified, along with areas of weak performance.
- Interference Analysis of channels and sources of noise.
- Access point plan Recommended number, model and position.
- Report Clear conclusions and next steps to support the decision.
Frequently asked questions
Does a small office justify a site survey?
Yes. It avoids buying too much or too little equipment, and correcting a poorly sized installation costs more than the diagnosis.
Can the survey be used to plan before building work?
Yes. A predictive survey, carried out on the floor plan, shows how many access points are needed and where they go, before any cable or equipment is installed.
What document do I receive?
A report with the heat map, conclusions and practical recommendations, which serves as the basis for the decision and for installing the wireless network.
Next step: measure your Wi-Fi network
DataRoad - IT Services and Consulting carries out coverage surveys and optimisation for managed enterprise networks: Wi-Fi site survey and optimisation. No-obligation proposal for companies with more than 10 workstations · support contract · remote, on-site and telephone support.









