Network and infrastructure

Wi-Fi Site Surveys and Spectrum Analysis in Central Texas

A Wi-Fi site survey measures how the signal actually behaves in your building, and a spectrum analysis finds what else is crowding the air. Engineer Austin uses both for offices, clinics, schools, warehouses and outdoor properties across Central Texas to decide where each access point goes, which channels and power levels it uses and how many you really need, then measures again after installation to prove the result. Dead spots and dropped calls are rarely fixed by buying another access point.

Wi-Fi survey diagram: an office floor plan overlaid with a coverage heat map from three access points, a weak spot marked in one corner, and a spectrum scan card showing crowded and clean channels OfficesOpen officeConferenceStorageBreak room weak AP 1 · ch 36AP 2 · ch 149AP 3 · ch 100 stronggoodweak Spectrum scan, 5 GHz clean floor plan · not to scale
What this includes

Measure first, then place every access point

  • Coverage survey. We walk the building or property and measure signal strength, signal-to-noise ratio and data rates room by room, including the corners, stairwells, warehouses and parking lots people complain about.
  • Spectrum analysis. A scan of the 2.4, 5 and 6 GHz bands for interference from neighboring networks and from non-Wi-Fi sources such as microwave ovens, wireless video and audio gear, and older cordless equipment.
  • Coverage heat maps. Results drawn on your floor plan or site plan, so everyone can see where the signal is strong, weak or missing, and why.
  • Access point placement. The number, location and mounting height of each access point, chosen around walls, shelving, metal, glass and the places people actually use their devices.
  • Channel and power plan. Channels, channel widths and transmit power set from the measurements, so access points help each other instead of shouting over each other.
  • Capacity planning. Device counts per room or zone, from a conference room to a warehouse full of scanners, so the network holds up at its busiest hour, not just when the building is empty.
  • Design for new construction and renovations. For a building that is not built yet, a Wi-Fi design from the floor plans and wall materials, coordinated with the cabling so every access point has a drop and power where it belongs, then confirmed with an on-site survey once the walls are up.
  • Validation survey. After installation we measure again and compare the result against the design, and anything that falls short is corrected before the job is closed.

Typical uses: an office with dead spots or dropped Wi-Fi calls, a clinic or school adding devices, a warehouse or shop floor with handheld scanners, a move into a new building, a church or event hall that fills up on the weekend, and outdoor coverage across a yard, campus or RV park.

Best results start at the design phase

The least expensive time to get Wi-Fi right is before construction starts. When we are brought in with your architect, general contractor and electrician while the drawings are still being drawn, cable drops, conduit and pathways, ceiling locations for access points, telecom-room space, power, cooling and grounding are all on the plans before work begins. Added after the walls close, the same work means opening walls, change orders and compromises. Bring us in early and the Wi-Fi, cabling and network equipment are designed together from the start.

Surveys and assessments as a service

Schedule a site survey or Wi-Fi assessment

You do not need to be a managed client, and the network does not need to be ours. We survey and assess Wi-Fi from any provider and any brand, as a scheduled service with a written report you keep, quoted as a fixed fee or billed time and materials portal to portal, whichever works best for you. IT providers, installers and integrators can also book us to survey for their own clients.

Wi-Fi coverage survey

Signal, noise and data rates measured throughout the building or property, with heat maps and a list of the weak spots and why they are weak.

Spectrum and interference analysis

A scan of the 2.4, 5 and 6 GHz bands to find crowded channels and the neighboring networks or devices causing trouble.

Wi-Fi health assessment

A review of the existing access points, placement, channels, power, security settings and firmware, with numbered findings and a fix list ranked by impact.

Design review for new construction

A Wi-Fi and cabling review of the drawings before construction starts, so drops, conduit, power and access point locations are on the plans.

Post-installation validation

A survey after a new install, ours or someone else's, compared against the design or your requirements, with every shortfall listed.

Surveys for other providers

MSPs, installers and integrators can book a survey or validation for their client's site. You keep the client relationship; we deliver the measurements and the report.

How we approach it

Survey, analyze, design, validate

Walk and measure

We start with your floor plan and a conversation about where Wi-Fi matters most, then walk the space measuring signal, noise and the radio environment at each point.

Find the interference

The spectrum scan shows which channels are crowded and what is crowding them, so the design works around neighbors and noise rather than guessing at them.

Design and recommend

You receive heat maps, an access point placement plan and a channel plan, with the reasoning in writing. Often that means moving or retuning existing access points before buying new ones.

Install and validate

Whether we install the access points or your team does, we survey again afterward and compare the result with the design, so you know the coverage you paid for is the coverage you have.

What you receive

A Wi-Fi report you can act on

  • Coverage heat maps on your floor plan or site plan, before and after.
  • Spectrum findings: crowded channels and interference sources, with what to do about each.
  • Access point placement plan with locations and mounting heights.
  • Channel, channel-width and power plan for every access point.
  • Numbered findings ranked by impact, with a recommendation for each.
  • Validation survey results compared against the design.

How AI speeds this up for you

Survey and spectrum exports are sorted and summarized with AI assistance in our approval-gated tooling, and the findings register is drafted the same way, so the report reaches you sooner. A person checks every finding and every recommendation before it goes out, and no client secret is ever pasted into a public AI tool. How we use AI.

Kept current. Wi-Fi keeps changing: Wi-Fi 6E opened the 6 GHz band, Wi-Fi 7 adds wider channels and multi-link operation, and every new generation changes how many access points a space needs and where they belong. We re-evaluate platforms each year before we recommend them, and we tell you at your review when a change would improve coverage you already have.

Why an engineering firm

Coverage designed to criteria, then proven

Many Wi-Fi networks are installed by spacing access points evenly across a ceiling and hoping. We design to stated criteria: the signal level, noise margin and capacity each area needs are written down first, the placement is worked out from measurements, and the finished network is surveyed and compared against the design. The work is done on engineering principles under a licensed engineering firm. Engineer Austin is Texas Registered Engineering Firm F‑15739; our team does the work to house standards set by our licensed Professional Engineer.

Who this is for

Offices, clinics, schools, churches, warehouses, shops, retail stores, city halls and public buildings, and outdoor properties such as campuses and RV parks. Surveys are often scoped with our network engineering and structured cabling work, and the finished network can be managed from our own servers.

FAQ

Wi-Fi surveys, answered plainly

Do we need a survey, or just more access points?

Usually a survey first. Weak Wi-Fi is often caused by access points in the wrong place, on crowded channels or turned up too loud, and more access points can make that worse. The survey shows whether the fix is placement, settings, interference or genuinely more coverage, before you spend money on hardware.

What is the difference between a Wi-Fi survey and a spectrum analysis?

A Wi-Fi survey measures your network: how strong the signal is, how clean it is and how fast it runs in each part of the building. A spectrum analysis looks at everything else on the same frequencies, including neighboring networks and non-Wi-Fi devices that create noise. You need both to explain why Wi-Fi is weak and to design a network that stays reliable.

Will the survey disrupt our staff?

No. We walk the space with measurement equipment while people work, and nothing on your network changes during the survey. Larger buildings may be surveyed over more than one visit, scheduled around your busy hours.

Can you survey a building that is still under construction?

Yes, and that is the best time to bring us in. We design from the floor plans and wall materials and work with your architect and contractors so cabling, conduit, power and mounting points are on the drawings before construction starts. Once the building is finished, we survey on site to confirm the design and adjust anything that changed.

Do you only survey networks you installed?

No. We survey and assess any Wi-Fi network, whatever brand it runs and whoever installed it, as a scheduled service, quoted as a fixed fee or billed time and materials portal to portal. The report is yours to keep and to act on with us or with someone else. Other IT providers and installers can also book us to survey their clients' sites.

What happens after the survey?

You receive the report with heat maps, findings and a placement and channel plan. If you want us to make the changes or install new access points, we quote that separately in writing, and we finish with a validation survey that proves the result.

Start with a written assessment.

Tell us what you have and what is not working. Someone from our team, not a salesperson, replies within one business day by email or phone, and brings in our engineer when your request needs one. The assessment report is yours to keep whether or not you buy anything.

Call (512) 481-2710 Request an assessment