First, identify where the problem begins
A weak signal and a slow internet connection can feel similar, but they call for different fixes. Note whether the problem happens everywhere or only in certain rooms. Check whether it changes at busy times and whether wired devices experience the same slowdown.
If performance is poor close to the main equipment as well, review the incoming connection and network equipment first. Adding more wireless access points will not increase the speed of the service coming into the building. A useful assessment starts with repeatable observations rather than a single speed test.
Map the building, not just its square footage
Walls, floors, metalwork, and the position of equipment can change how a wireless signal travels. Two spaces of the same size may need different layouts. In an older property, a floor plan and a walkthrough are more useful than relying on a coverage number printed on a box.
Mark the places where reliable connectivity matters: desks, meeting rooms, televisions, payment equipment, or shared areas. Note fixed devices that could use a wired connection. That can reduce demand on wireless coverage while giving those devices a consistent connection.
Give access points a good connection
Access points need both suitable placement and a connection back to the network. Where practical, wired connections can reduce dependence on wireless links passing through the same difficult walls. Cable routes, power, and mounting access should be considered before choosing positions.
A wireless mesh arrangement may be an option where cabling is difficult, but placement still matters. A device placed in a dead zone may have a poor connection to the rest of the network. Discuss the tradeoffs for the actual building rather than assuming one approach fits every room.
Keep everyday management straightforward
Decide whether visitors need a separate network and who manages passwords and equipment settings. In a business or shared property, agree which devices and users should be able to communicate with each other. Configuration depends on the equipment and requirements.
Ask for checks in the spaces that matter to you after installation. Walk through connection instructions and keep ownership of administrator accounts clear. Document the agreed equipment locations and any support arrangements so future changes are easier to manage.