--- title: "Wi-Fi testing: APs, controllers, mesh, roaming | TEST4NET" description: "Access points, WLAN controllers, ISP gateways and mesh tested up to Wi-Fi 6: throughput per client count, airtime fairness, roam time, latency under load, WPA3" image: https://test4net.com/hubfs/og/solutions-wi-fi.png --- [Skip to content](https://test4net.com/solutions/wi-fi#main-content) [![TEST4NET](https://test4net.com/hubfs/test4net-logo-fixed-2.svg)](https://test4net.com/?hsLang=en) - Services - Products - Resources - Company [News](https://test4net.com/news?hsLang=en) [Login](https://lab.test4net.com) [Support](https://test4net.com/support?hsLang=en) What we test By technology Industries [Load & Performance Testing Throughput, sessions and latency up to and past the rated limit](https://test4net.com/services/load-performance-testing?hsLang=en) [Functional & Conformance Testing Features against the spec, RFC compliance with evidence](https://test4net.com/services/functional-conformance-testing?hsLang=en) [Interoperability Testing Multi-vendor behaviour, before it reaches production](https://test4net.com/services#interop) [Security & Resilience Testing NGFW, IPS and VPN efficacy and performance with threats on the wire](https://test4net.com/services/security-resilience-testing?hsLang=en) [Test Plan & Methodology Design What to test, how, and what counts as a pass](https://test4net.com/services/test-plan-design?hsLang=en) [Test Automation & CI/CD Regression suites wired into your release pipeline](https://test4net.com/services#automation) [Training Programs Hands-on courses for your test engineers](https://test4net.com/services#training) [Equipment Repair Diagnostics and repair of test equipment](https://test4net.com/services#repair) [All services](https://test4net.com/services?hsLang=en) [Routing & Switching RFC 2544 and RFC 2889 on real ports, 1G to 100G](https://test4net.com/solutions/routing-switching?hsLang=en) [Firewalls & NGFW RFC 9411 throughput with inspection switched on](https://test4net.com/solutions/firewalls-ngfw?hsLang=en) [SD-WAN & WAN Path selection and QoS under emulated WAN conditions](https://test4net.com/solutions/sd-wan?hsLang=en) [Cloud & NFV Virtual appliances and cloud services under load](https://test4net.com/solutions/cloud-nfv?hsLang=en) [5G & Mobile Core Transport and core functions under subscriber traffic](https://test4net.com/solutions/5g-mobile-core?hsLang=en) [Wi-Fi Wi-Fi 6 clients and access points, Wi-Fi 7 in progress](https://test4net.com/solutions/wi-fi?hsLang=en) [Storage & Infrastructure Storage networks and servers under realistic I/O](https://test4net.com/solutions/storage?hsLang=en) [AI / Switching Fabric (RoCEv2) Lossless Ethernet for GPU clusters: PFC, ECN, fabric load](https://test4net.com/solutions/ai-fabric-rocev2?hsLang=en) All technologies [Telecom Operators Pre-deployment acceptance and vendor comparison](https://test4net.com/solutions/industries#telecom) [Network & Security Vendors Independent validation of your product claims](https://test4net.com/solutions/industries#vendors) [System Integrators Proof for the customer before the rollout](https://test4net.com/solutions/industries#integrators) [Enterprise & Banks Upgrades and new platforms checked before production](https://test4net.com/solutions/industries#enterprise) [All industries](https://test4net.com/solutions/industries?hsLang=en) Not sure where to start? 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Throughput per client count, airtime fairness, roam time per handover, latency under load for voice and video, WPA3 and 802.1X scale on the controller. [Request a test plan](https://test4net.com/solutions/wi-fi#lead-form) [See the device classes](https://test4net.com/solutions/wi-fi#classes) - **Wi-Fi 6**on the bench today, Wi-Fi 7 in progress - **Per client**throughput, airtime and roam time, not one aggregate - **1G · 10G**wired side, PoE to the AP - **1–3 days**test plan and quote When the number is needed ## Three moments in a WLAN project when the datasheet stops being an answer A datasheet gives the PHY rate of one client next to the AP in a quiet room. Each moment below asks what the AP does with your client mix, your SSIDs and your floor plan, and ends with a number the team can act on. 1. 1 ### Shortlist Tender, 2–3 AP models Every candidate serves the same clients at the same attenuation steps with the same SSID, security and QoS settings. Vendors see the plan before the first frame and read the same table afterwards. Ranked table per KPI, client limit per model, 2–3 weeks for 3 APs 2. 2 ### Acceptance Before the rollout The delivered APs and controller with the production config: SSIDs, WPA3 and 802.1X, band steering, QoS, VLANs per SSID, roaming settings. Measured against your design with your client mix, including the cheap ones. Signed report with pass and fail per case, config exports, from 2 weeks 3. 3 ### Change Firmware or RF profile change The acceptance cases run again on the new firmware, the new channel plan or the new roaming profile. What moved, by how much, and whether the cell still clears the design. Production stays untouched. Diff per KPI against the last run, 3 business days What we test ## Five device classes, and the numbers each one has to show The bench is the same, the clients and the pass criteria are not. The table is the starting point of the plan; your floor plan, client mix and applications set the thresholds. | Device class | Numbers in the report | Clients and config on the bench | Typical size | | --- | --- | --- | --- | | 01Enterprise access point | Aggregate and per-client throughput, airtime fairness, rate versus range, latency, band steering | Controlled Wi-Fi 6 clients, your SSIDs, WPA3 and 802.1X, programmable attenuation to the AP | Dual- or tri-band AP, 2.5G or 10G uplink | | 02WLAN controller, on-premises or cloud | APs joined per minute, 802.1X authentications per second, roaming, controller failover under load | Emulated APs and clients sized in the plan, real APs for roaming, your RADIUS and config export | 100–1,000 APs | | 03Home and ISP gateway | Throughput per band, rate versus range, latency with voice and video running, a 24 h soak | Household client mix, WAN side at 1G to 10G, ISP firmware and defaults, attenuation to the far room | Wi-Fi 5 or Wi-Fi 6 gateway, 1G to 10G WAN | | 04Mesh system | Throughput behind one to three hops, backhaul rate per hop, steering, recovery when a node drops | Nodes at controlled attenuation, clients on each, backhaul as sold, one node powered off | 2–4 nodes | | 05Wi-Fi client and IoT device | Throughput and latency against a reference AP, roam time per handover, power save, 802.11k/v | Device next to controlled clients on one AP, attenuation sweep, reference APs, air and wire captures | Laptops, handhelds, cameras, sensors | Any vendor, enterprise or consumer. Wi-Fi 6 today, Wi-Fi 7 when the bench is ready. TR-398 in-premises cases run on request. Named test tools are picked for the setup and listed in the report. The bench around one access point Clients Wi-Fi 6, count from the plan Attenuators rate vs range, cell edge AP-1 · 2.4/5 GHzAP-2 · roam AP pair under test SSIDs, WPA3, steering Controller AP fleet, failover Wired side 1G / 10G, PoE, counters ROAM OR EDGE STEP ON PURPOSE throughput · latency roam time · loss Around the AP ## What sits on each side of the access point while it is measured A throughput number only means something with the right things around the device: the client mix it will serve, the attenuation it will face at the cell edge, and the roams it has to carry without dropping a call 1. ### Clients from your floor Count and mix from your inventory: 1-, 2- and 3-stream devices, Wi-Fi 5 laptops next to Wi-Fi 6 phones, IoT on 2.4 GHz. The bench emulates them, so the AP sees its own population, not a lab full of flagship phones. 2. ### Your config, line by line SSIDs, WPA3 and 802.1X with your RADIUS, band steering, QoS and VLAN per SSID, 802.11r/k/v settings, channel width and power from your RF profile. The report shows which setting each loss or slow roam traces back to. 3. ### Distance and roams with traffic running Attenuation steps to the cell edge, a roam to the next AP, an AP rebooted, a controller failed over. Each one with voice and video streams running, timed from the last frame to the first frame back. What you take away ## Four numbers that end the argument, and the table they live in The report is built for the meeting after the test: the vendor, the integrator and your network team read the same table, with the pass band from the design next to the measured value Each number comes with its evidence: per-client statistics from the bench, AP and controller counters, air and wire captures and the config export of the run Throughput Aggregate and per client at each client count and each attenuation step, per band, with your security and QoS on. Not the one-client PHY rate. Scale Clients per AP and APs per controller where the numbers stop or slow, authentications per second over 802.1X, so the design has a ceiling with a margin Roaming Roam time and frames lost per handover, per client type and per roaming profile, with voice and video streams running, not on an idle cell Policy Pass and fail per feature in your config, the setting behind each failed case, and the behaviour of the cell through a firmware upgrade ACC-WLAN-02 Acceptance, AP and controller Rerun, day 7 ### Result table, 6 of 18 cases | KPI | Pass band | Measured | Result | | --- | --- | --- | --- | | Aggregate at the design client count, near the AP | ≥ 800 Mbps | 870 Mbps | Pass | | Aggregate at the design client count, WPA3 and 802.1X on | ≥ 800 Mbps | 830 Mbps | Pass | | Roam time, 802.11r, voice running | ≤ 100 ms | 60 ms | Pass | | Latency at the design client count, video stream | ≤ 30 ms | 18 ms | Pass | | 802.1X authentications on the controller | ≥ 50 / s | 72 / s | Pass | | Band steering, 5 GHz capable clients on 5 GHz | ≥ 95% | 91% | Pass with a note | Where it runs ## The CloudLAB Wi-Fi bench, and the pages behind this one APs and controllers ship to CloudLAB and sit on the Wi-Fi bench with controlled clients, attenuators and a wired side at 1G and 10G; cloud controllers are joined from the bench. You watch the run through the portal, with an engineer on every session. The bench serves Wi-Fi 6 today; Wi-Fi 7 is in progress. [How a load run goes, step by step](https://test4net.com/services/load-performance-testing?hsLang=en) [Interoperability: clients, APs and controllers together](https://test4net.com/services#interop) [Routers and switches behind the APs](https://test4net.com/solutions/routing-switching?hsLang=en) [CloudLAB: the bench and how to reach it](https://test4net.com/cloudlab?hsLang=en) ### Related reading - [BlogHigh-performance Wi-Fi testing: a walk test is not a test](https://test4net.com/blog/wi-fi-testing-for-high-performance-use-cases-why-a-walk-test-is-not-a-test?hsLang=en) - [BlogIntel tests Wi-Fi 7 with robots: what a lab can borrow](https://test4net.com/blog/intel-wifi-7-robot-testing-real-world-lab?hsLang=en) - [BlogWhy vendor benchmarks are not enough for infrastructure decisions](https://test4net.com/blog/datasheet?hsLang=en) - [BlogVIAVI State of the Network 2027: 58% test before deployment](https://test4net.com/blog/viavi-state-of-the-network-2027-58-percent-test-before-deployment?hsLang=en) Before the brief ## What WLAN teams ask first Which Wi-Fi devices can you test? Enterprise and consumer access points, on-premises and cloud WLAN controllers, ISP gateways, mesh systems, and clients from laptops to IoT sensors. Any vendor. The bench serves Wi-Fi 6 today, with 2.4 and 5 GHz; Wi-Fi 7 is in progress. Do you test Wi-Fi 7? Not yet. The Wi-Fi 7 bench is in progress, and we say so rather than quote a number we cannot measure. Until it is ready, a Wi-Fi 7 AP is tested with Wi-Fi 6 clients, which is what most of its users will be for the next years, and the plan says so on page one. How many clients go on one AP? The count your deployment needs, written into the plan with the device mix and checked on the bench before the run. Per-client attenuation builds the cell edge on purpose rather than finding it by walking; a multi-AP floor is agreed per project. Is it tested with our SSIDs, RADIUS and RF profile? Yes. SSIDs, WPA3 and 802.1X against your RADIUS or an emulated one, band steering, QoS, VLANs, 802.11r/k/v and the channel plan come from an anonymised export. A vendor-default run can sit next to it to show what the config costs or gains. What about TR-398 and roaming tests? TR-398 in-premises cases, rate versus range, multi-client and spatial consistency, run on request on the same bench. Roaming is timed per handover with voice and video streams running, per client type and per profile, between real APs on the bench. How long does it take and what do we get? Test plan and quote in 1–3 business days after the brief. A run takes from 2 weeks for one AP model with its controller and 2–3 weeks for a shortlist of 3 models. The report carries every case with pass band and measured value, per-client statistics, captures and config exports; a diff against the last run comes with a re-test. ## Send the AP models, the client mix and the config export. The plan comes back in 1–3 business days. 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Throughput per client count, airtime fairness, roam time per handover, latency under load for voice and video, WPA3 and 802.1X scale on the controller.", "isPartOf" : { "@type" : "WebPage", "url" : "https://test4net.com/services" }, "name" : "Wi-Fi", "provider" : { "@type" : "Organization", "name" : "TEST4NET", "url" : "https://test4net.com/" }, "serviceType" : "Wi-Fi testing: access point and controller throughput per client count, rate versus range, roaming time and loss, latency under load, WPA3 and 802.1X scale", "url" : "https://test4net.com/solutions/wi-fi" } ``` ```json { "@context" : "https://schema.org", "@type" : "BreadcrumbList", "itemListElement" : [ { "@type" : "ListItem", "item" : "https://test4net.com/services", "name" : "Services", "position" : 1 }, { "@type" : "ListItem", "item" : "https://test4net.com/solutions/wi-fi", "name" : "Wi-Fi", "position" : 2 } ] } ``` ```json { "@context" : "https://schema.org", "@type" : "FAQPage", "mainEntity" : [ { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Enterprise and consumer access points, on-premises and cloud WLAN controllers, ISP gateways, mesh systems, and clients from laptops to IoT sensors. Any vendor. The bench serves Wi-Fi 6 today, with 2.4 and 5 GHz; Wi-Fi 7 is in progress." }, "name" : "Which Wi-Fi devices can you test?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Not yet. The Wi-Fi 7 bench is in progress, and we say so rather than quote a number we cannot measure. Until it is ready, a Wi-Fi 7 AP is tested with Wi-Fi 6 clients, which is what most of its users will be for the next years, and the plan says so on page one." }, "name" : "Do you test Wi-Fi 7?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "The count your deployment needs, written into the plan with the device mix and checked on the bench before the run. Per-client attenuation builds the cell edge on purpose rather than finding it by walking; a multi-AP floor is agreed per project." }, "name" : "How many clients go on one AP?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Yes. SSIDs, WPA3 and 802.1X against your RADIUS or an emulated one, band steering, QoS, VLANs, 802.11r/k/v and the channel plan come from an anonymised export. A vendor-default run can sit next to it to show what the config costs or gains." }, "name" : "Is it tested with our SSIDs, RADIUS and RF profile?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "TR-398 in-premises cases, rate versus range, multi-client and spatial consistency, run on request on the same bench. Roaming is timed per handover with voice and video streams running, per client type and per profile, between real APs on the bench." }, "name" : "What about TR-398 and roaming tests?" }, { "@type" : "Question", "acceptedAnswer" : { "@type" : "Answer", "text" : "Test plan and quote in 1–3 business days after the brief. A run takes from 2 weeks for one AP model with its controller and 2–3 weeks for a shortlist of 3 models. The report carries every case with pass band and measured value, per-client statistics, captures and config exports; a diff against the last run comes with a re-test." }, "name" : "How long does it take and what do we get?" } ] } ```