A clean field copy for requirements, test zones, exceptions and acceptance signatures.
Print-ready worksheetWireless Site Survey
Wireless Site Survey: Deploy WiFi with Data, Not Guesses
Bad WiFi almost always traces back to a design that skipped the wireless site survey. Dead zones, dropped calls, and roaming failures are engineering problems - they happen before the first AP is ever mounted.
SRS Networks performs commercial wireless site surveys that give you RF heat maps, predictive design models, and post-deployment validation - so your WiFi works the way your business requires it to.
SRS Networks is a nationwide IT infrastructure deployment partner headquartered in South San Francisco, California, performing wireless site surveys and WiFi deployments for multi-site enterprises and channel partners across the 48 contiguous states, Alaska, and Hawaii since 1996. The survey is the first step of the same model that has delivered 900+ multi-site programs across 10,000+ sites, run from 6 offices in 4 states: an in-house W-2 SRS lead owns the survey, the design that follows it, and the post-install validation, and access points pre-stage at our West Coast and East Coast facilities before they ship to site.
When SRS is not the right fit
If you need one building surveyed in one metro, a local wireless integrator will beat us on drive time and price; our coordination model pays back at roughly 25 sites or on work spread across states. Where we earn the call at low site counts is a survey that has to repeat identically at the next site, a go-live date that cannot slip, or a program that already runs through the Project Command Center.
The Problem
Why WiFi Deployments Fail Before They Start
Most WiFi problems aren't hardware problems. They're design problems - and design problems that start without a survey never get fully resolved by adding more access points.
Access Points Placed by Guesswork
Most WiFi deployments start with someone walking the space and eyeballing AP placement. The result: dead zones in the exact spots people need connectivity most - conference rooms, loading docks, patient areas.
Co-Channel Interference Nobody Caught
When channels aren't planned against neighboring radios - including your own APs - you get interference that tanks throughput. Roaming degrades. Video calls drop. Devices lose connection at the worst moments.
Designs Built for Today, Not Tomorrow
A network designed for 50 devices doesn't perform for 200. Without density and capacity analysis upfront, you overpay on hardware in some areas and completely fail coverage in others.
No RF Baseline Before You Build
Every building has RF characteristics that affect propagation - concrete walls, steel shelving, HVAC systems, elevator shafts. Ignoring them means your design is based on a floor plan, not reality.
No Validation After Deployment
Installing APs and calling it done is not a wireless deployment - it's a guess with hardware attached. Without post-deployment validation, you have no proof the network performs to spec.
The Solution
Measure First. Design Second. Deploy with Confidence.
SRS Networks brings a structured, data-driven approach to every wireless engagement. We survey the RF environment before any hardware decisions are made - so your AP placement, channel plan, and density strategy are grounded in how your building actually behaves, not how it looks on a floor plan.
RF analysis of the physical environment before any design decisions are made
Predictive heat maps that show coverage, signal strength, and interference across every zone
Capacity and density planning that accounts for device count, application mix, and growth
Channel and power planning to eliminate co-channel interference at the design stage
Post-deployment validation survey confirming the live network matches the design spec
What your wireless infrastructure looks like after a proper survey
Coverage
Every zone mapped and validated - no dead spots left to discover
Channels
Planned to eliminate co-channel interference before deployment
Capacity
Sized for actual device counts and peak application load
Baseline
RF data captured before and after - variance documented
Handoff
Full deliverable package: heat maps, AP diagrams, validation report
Survey-driven. Every deployment.
Designed and validated by SRS Networks
What's Included
Every Phase of the Wireless Site Survey
From the first RF scan to the final validation walkthrough, SRS Networks covers every phase of the wireless site survey process - so there are no surprises after go-live.
RF Analysis & Heat Mapping
We conduct a thorough RF analysis of your environment - capturing signal propagation, noise floors, and interference sources - then produce detailed heat maps that show exactly what coverage looks like before a single AP ships.
Passive and active RF spectrum scanning
Signal strength and SNR heat maps
Interference source identification
Predictive Design Modeling
Using your floor plans and RF data, we build a predictive wireless model that shows AP placement, coverage overlap, and channel assignments - giving you a design you can review and approve before any installation begins.
Floor plan-based AP placement modeling
Channel and power assignment planning
Coverage overlap and roaming zone mapping
Capacity & Density Planning
High-density environments require more than signal - they require bandwidth headroom. We analyze device counts, application requirements, and peak load scenarios to ensure your infrastructure handles real-world demand.
Device count and band steering analysis
Application throughput requirements
High-density zone design for auditoriums, open offices, and warehouses
Post-Deployment Validation
After installation, we return to the site with the same survey tools and validate actual performance against the design. If something doesn't match, we identify the cause and correct it before we close the project.
Live signal and throughput verification
Roaming and handoff testing
Variance report comparing design to actual
Free Technical Artifact
WiFi survey and validation worksheet
Record the client population, applications, RF assumptions, test zones, acceptance thresholds, exceptions, corrective actions and final signoff. The worksheet is vendor-neutral and available without an email gate.
An interactive version with form fields for electronic completion and handoff.
Fillable PDF worksheetSurvey-to-Acceptance Diagram
Four records turn RF measurements into an acceptance decision
Predictive output is the first record, not the final proof. The installed network must be measured against requirements that were approved before testing began.
1
Requirements
Clients, applications, floor plans, occupied-state constraints and measurable pass criteria
2
Design evidence
Predictive model plus on-site RF measurements or AP-on-a-stick testing where required
3
Installed validation
Passive and active measurements using the approved configuration and representative clients
4
Accept or correct
Heat maps, exceptions, corrective actions, retest results and accountable signoff
| Acceptance area | Evidence to retain | Decision rule |
|---|---|---|
| Coverage | RSSI by required band and zone | Project-specific threshold; identify excluded areas |
| Signal quality | SNR and noise floor | Project-specific threshold under representative conditions |
| Interference | Channel utilization, retries and spectrum findings | No unresolved source that prevents the approved application target |
| Capacity | Client count, airtime and active-test results | Meets the documented peak client and application scenario |
| Mobility | Roaming path and application continuity | Meets the approved voice, scanner or mobility test |
| Evidence | Project file, heat maps, AP plan, exceptions and retests | Every required zone has a traceable result or approved exception |
Thresholds are deliberately not universal here. The project team should define values by client and application; a vendor example such as -67 dBm RSSI and 25 dB SNR for voice is a planning reference, not an automatic acceptance rule for every deployment.
The Difference
Guess-Based WiFi vs. SRS Survey-Driven Deployment
What changes when you replace eyeballed AP placement and after-the-fact troubleshooting with a professional RF survey and validated design.
Category
Without a Survey
SRS Networks
AP placement
Walk the space and guess
RF-modeled placement based on propagation data
Coverage verification
Walk around and look at signal bars
Heat mapped and validated to design spec
Interference planning
Discovered after complaints
Identified and resolved in the design phase
Capacity planning
Based on square footage rules of thumb
Engineered per device count and application load
Channel assignments
Auto or default - often conflicting
Planned per survey to eliminate co-channel interference
Post-deployment
No validation - assume it works
Live survey confirming performance against design
Documentation
None, or a basic floor plan with dots
Heat maps, channel plans, variance reports
Change management
Guesswork when adding more APs later
Baseline data makes future changes precise
Real-World Use Cases
Environments Where Surveys Are Non-Negotiable
SRS Networks performs wireless site surveys across environments where WiFi performance directly impacts operations - and where guesswork is simply not acceptable.
Corporate Offices
Open floor plans, glass walls, and dozens of video conferencing rooms demand precise AP placement and consistent roaming. A survey-driven design eliminates dead zones before employees move in.
Warehouses & Distribution
Metal racking, forklifts, and concrete floors create brutal RF environments. We model signal propagation through the actual space - not an empty floor plan - so scanner guns and mobile devices stay connected.
Healthcare Campuses
Clinical mobility platforms, patient monitoring, and voice over WiFi require clean, validated coverage. Our survey process accounts for medical equipment interference and HIPAA-required network segmentation.
Hospitality Properties
Guests expect reliable connectivity in rooms, lobbies, restaurants, and outdoor spaces. We design coverage that eliminates dead zones guests will complain about and gives property managers the data to prove performance.
Why SRS Networks
We Survey Before We Sell You Hardware. That's the Difference.
A lot of integrators quote you APs before they've ever seen your building. We don't. Our wireless engineers survey first - because the survey determines the design, the design determines the hardware, and the hardware determines the budget. In that order. Here's what a network site survey costs and what it returns.
Survey teams document propagation, client requirements, assumptions, and acceptance criteria before hardware is finalized
Predictive modeling using industry-standard tools - not approximations
Full deliverable package: heat maps, AP placement diagrams, channel plans, and validation reports
Survey-to-deployment continuity - the same team that surveys designs and installs
Measured
Acceptance Criteria
Predictive
Modeling Included
Full Coverage
Heat Maps Delivered
Post-Deploy
Validation Survey
Related Services
Explore More from SRS Networks
Technical Basis
Primary technical references
The approved project requirements and current manufacturer documentation control the final design. These primary references support the survey methods and planning distinctions used in this guide.
Cisco — Site Survey Guidelines for WLAN DeploymentExplains predictive and post-deployment survey methods, RSSI, SNR, noise and interference considerations.Cisco Meraki — Conducting Site Surveys with MR Access PointsCovers representative access-point settings, mounting and client-device considerations for survey work.Cisco Meraki — Channel Planning Best PracticesProvides manufacturer guidance for channel width, channel reuse and interference planning.Aruba — Campus Wireless Networks Validated Solution GuideDocuments physical-site-survey and validation considerations within an enterprise wireless design workflow.Ubiquiti — UniFi Design CenterSupports predictive UniFi planning from floor plans; installed conditions and client behavior still require field validation.
Straight Answers
Commercial WiFi survey questions
The survey scope should record the facility, client devices, applications, occupied-state conditions, floor plans, construction materials, interference, capacity assumptions and project-specific acceptance thresholds. The closeout should identify the survey method, hardware and software used, tested areas, measured results, exceptions, recommended changes and final disposition.
A predictive survey models RF behavior from drawings and material assumptions. A passive survey listens to access points and the surrounding RF environment. An active survey associates a representative client to the network and measures service behavior. They answer different questions and are often combined across design and post-install validation.
No. A predictive design is a planning model, not proof of installed performance. Final acceptance should use measurements taken after access points, antennas, mounting conditions and configuration are in place, then compare those measurements with the approved coverage, capacity, roaming and application criteria.
Thresholds must be selected for the actual client population and applications. Voice, location, warehouse scanning and ordinary data clients can require different design targets. For example, vendor guidance commonly illustrates values such as -67 dBm RSSI and 25 dB SNR for voice, but the project team should document its own criteria rather than treat one example as universal.
Use the proposed access-point model, antenna type, mounting height, orientation, channel width and power setting whenever practicable. Test with representative production clients, including the least capable or most operationally important device, because client radios and antenna behavior can differ from the survey adapter.
Retain the approved floor plans, requirements matrix, access-point and antenna inventory, survey project file, calibrated heat maps, channel and power plan, spectrum findings, active-test results, roaming observations, uncovered or excluded areas, corrective actions, retest record and a signed exception or acceptance page.
Document rack height, expected product density, aisle orientation, lift traffic, doors and staging areas, then survey under a representative operating condition. An empty warehouse can materially overstate coverage. Acceptance zones should follow scanner and vehicle workflows, not just evenly spaced points on a floor plan.
Yes. The worksheet is vendor-neutral and records the assumptions and evidence that sit above a specific platform. Manufacturer design tools and guidance remain important, but predictive output should still be checked against the installed environment and representative production clients.
Repeat targeted validation after material changes such as new walls, dense shelving, different inventory, access-point moves, channel-width changes, a new client class or recurring performance complaints. Preserve the earlier survey so the team can distinguish environmental change from a design or configuration issue.
Stop Guessing. Start with the Survey.
Planning a new deployment or troubleshooting an existing wireless network, the wireless site survey is the first step toward a system you can rely on. Send floor plans, the client-device mix, and the site count to partners@srsnetworks.com or call (866) 224-3636. Cheryl Tatham, Director of Partner Services, returns scoping calls within one business day.