If the conference room struggles while a wired computer works normally, start by investigating the office network. A larger internet subscription may leave the same problem in place. Paying for an assessment is usually the more defensible first step when nobody can explain which part of the connection is limiting the work.
Find out what the existing speed result actually measured
A test run by the router, a laptop connected by cable and a phone across the office do not measure an identical path. Ask where the test was performed and what equipment sat between that point and the service provider. Keep the result attached to that location and device.
The access point is the equipment providing the Wi-Fi connection. Its own connection to the rest of the network matters too. Ubiquiti's guidance identifies client capabilities, wireless conditions, upstream equipment and cabling as possible constraints; it explicitly warns that purchasing a particular internet speed does not establish that speed over Wi-Fi.
An office manager can help by recording where a task is slow, which device is affected and whether coworkers see the same behavior. Ask IT to compare a known working wired path with the affected wireless area using an agreed test. Leave equipment disconnections and configuration changes to them. A difference between results narrows the investigation; it does not prove that a particular access point is defective.
Source: Ubiquiti: Maximizing Wireless Speeds.
A real example of a limit inside the office
One Stop Telecom's published account of work for Swedlows Distributors describes aging network hardware limiting the office to 100 Mbps while the customer was paying for twice that rate. The account says its assessment identified a firewall and switches needing replacement and recommended cabling replacement. This is the provider's description of that project, not an independently measured performance study.
The useful lesson is to include the equipment between the internet handoff and the employee's device in the investigation. It does not mean all old wiring needs replacement, or that the same hardware changes would fix another office. Ask for the actual finding at your site before accepting a replacement recommendation.
Source: One Stop Telecom: Swedlows Distributors network and telephony project (provider-published account).
Match the proposed fix to the evidence
If performance deteriorates only in particular rooms, ask for a coverage assessment using the devices people work with. If the problem appears when a room fills up, have the adviser assess busy-period demand and wireless conditions. Buying another access point without a placement and connection plan leaves important questions unanswered.
If both wired and wireless users are affected, ask IT to examine the common equipment and internet service. Ubiquiti's wired guidance identifies unexpectedly low negotiated port speeds, device resources and configuration as possible constraints. A port speed is the connection rate agreed by two pieces of equipment; an unexpectedly low rate is a finding to investigate, not an instruction to replace every cable.
Sometimes more internet capacity is appropriate. If measurements show the existing service is fully occupied by necessary work, compare an upgrade with changes such as scheduling large transfers differently. If one older device alone is slow, a whole-office replacement may be difficult to justify. Request a recommendation that explains what was measured, what is still uncertain and which change should address it.
Keep responsibility clear through the repair
Your carrier, IT provider and cabling installer may each own part of the path. Ask one person to coordinate the investigation and keep the test results with the work request. That person need not perform every repair, but should identify the next responsible party and what evidence they need.
Before approving work, agree on the result that will be checked: a normal video meeting from the conference room, the required file transfer from a desk, or the warehouse device working in its intended area. Include the relevant busy conditions when practical. Keep the original and follow-up results so the repair can be assessed against the problem you paid to solve.
Local help with the assessment
For an onsite assessment in Southern California, One Stop Telecom can review the network and cabling work with you. Use its contact page to describe the affected areas and ask what the assessment would include.
Disclosure: SoCal Business Tech Guide and One Stop Telecom share ownership. This is an affiliated service recommendation.