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Unstable business Wi-Fi? A coverage survey finds the cause

Paying your ISP more will not fix badly designed Wi-Fi. A coverage survey measures the signal on site and points to the right fix, which is almost always cheaper.

Updated 17 October 20262 min read

More than 10 workstations · support contract · remote, on-site and phone support

At a glance

For decision-makers short on time.

  • 01When Wi-Fi fails, the contracted internet is usually fine; the internal network is the problem.
  • 02Walls, glass and metal shelving change the signal in ways impossible to guess.
  • 03A coverage study measures the signal on site and shows where and why it fails.
  • 04With the map, the fix is usually simpler and cheaper than buying more routers.
In this article

Every video call that drops costs minutes for those on it and credibility with the client on the other end. Multiply that by a whole team and a whole year. In most companies with weak business Wi-Fi, the contracted internet is fine: it is the network inside the office that fails. Measuring the signal on site, in a coverage study, reveals the exact cause and almost always leads to a simpler, cheaper fix than piling up routers.

Which signs point to an internal network problem?

  • Always the same room The video meeting breaks up in the same place, week after week.
  • Dead zones Corners of the office where the laptop picks up nothing.
  • Rush hour Around 11 a.m., with everyone working, everything slows down.
  • Phone hotspots Staff who have given up and use their own data.

Recognise your company? Then the problem is indoors, and you have probably already paid for fixes that solved nothing.

Why does increasing the contracted speed not help?

Because the bottleneck is not at the building's door; it is in how the signal is distributed. Consumer routers serving dozens of users, badly placed access points, radio channels trampling over each other and building materials that absorb the signal: thick walls, glass, metal shelving.

Paying for more speed on a system like that is accelerating with the handbrake on. And no engineer can guess off the top of their head how the signal behaves in a specific space. It has to be measured.

What does a coverage study actually do?

An engineer walks the premises with measuring instruments and draws the real map of the signal: where it is strong, where it weakens, where there is interference and where it disappears. That map is cross-referenced with how the space is used: where video calls happen, how many people occupy each area, which devices connect.

The output is a concrete diagnosis, with problems, causes and the cost of fixing them. No guesswork, no surplus equipment.

What happens after the diagnosis?

DataRoad - IT Services and Consulting designs and installs the business wireless network solution: professional access points in the right places, which rarely match the old ones, channels tuned so they do not overlap, and separate networks for staff and guests.

In most offices, installation is done in a single day without stopping anyone. From then on, the network can be monitored and managed by DataRoad, as part of our managed IT services.

Want to know where your Wi-Fi loses signal?

We measure the signal room by room and deliver the diagnosis with the fixes in order of impact. Requesting the coverage study is the first step; see also our site survey and Wi-Fi optimisation. No-commitment proposal.

More than 10 workstations · support contract · remote, on-site and telephone support. +351 211 459 950 * · sales@dataroad.pt

*Call to a Portuguese landline.

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