Coverage or Capacity: Which Wi-Fi Problem Do You Actually Have
Nearly every “the Wi-Fi is terrible” call is one of two problems, and the fixes point in opposite directions. A coverage problem means the signal does not reach, and more access points or better placement solves it. A capacity problem means too many clients contending for airtime in the same space, and raising transmit power there makes things measurably worse. Working out which one you have takes a survey, not a guess.
Design Starts With a Device Count
Before the floor plan matters, the numbers do: how many clients in each area at peak, what they are doing, and how much delay they tolerate. Barcode scanners in a distribution center need continuous coverage and fast roaming but almost no bandwidth. A conference room needs the opposite. A student apartment building needs both, everywhere, at once. One design does not serve all three.
Surveys, in Order
- Predictive modeling built on the real floor plan with real wall materials, not an assumed coverage radius
- Validation with an access point on a stick, measured in the building, because drywall on the plan is sometimes block in the field
- Spectrum analysis to find the non-Wi-Fi interference that no amount of channel planning will fix
- Post-installation passive and active survey, kept as the baseline that the next complaint gets compared against
Georgia Environments That Break Generic Designs
Distribution Centers Off I-16 and I-75
Racking is effectively opaque to RF, and it changes every week as inventory moves. Coverage gets planned down the aisles rather than across them, often with directional antennas aimed along the racking, and it has to be validated with the building full rather than empty. Handhelds on a moving forklift also hold onto a distant access point far longer than they should, so roaming thresholds matter as much as placement does.
Production Stages in Metro Atlanta
Steel shells, ceilings at 40 feet, dense crews, and a network that has to stand up for a production and come out again afterward. Mounting is temporary by necessity, and the design has to assume the floor plan is different next time.
Student Housing in Athens
The hardest RF environment in the state, because every resident arrives with a personal router, a streaming stick and a game console. The 2.4 GHz band is unusable in practice. Per-unit access points with wired backhaul, conservative power settings and disciplined channel planning are the only approach that survives move-in week.
Hotels, Clinics and Corporate Floors
Wall construction decides everything here. In-room placement against hallway placement is a per-property answer that comes out of a validation survey, never out of a rule of thumb.
Whether 6 GHz Helps You
Wi-Fi 6E and Wi-Fi 7 open a large block of clean spectrum at 6 GHz, which is genuinely valuable in high-density space. There are two catches. Range is shorter, so covering the same footprint takes more access points. And clients must use WPA3 on that band, since legacy security modes are not permitted there. If your device population is old, 6 GHz buys you less than the datasheet implies.
Mounting and the Physical Realities
- Access points hidden above ceiling tile give up signal for no benefit; mount them below the tile
- Check the operating temperature range before putting an indoor access point in an uncooled Georgia warehouse ceiling, since many are rated only to 40 degrees C
- Outdoor and dock-area units need an enclosure rating suited to humidity and blowing rain, plus surge protection on the copper feed
- Run Cat6A to any access point that will carry Wi-Fi 6E or later, and confirm the PoE class before the switch is ordered
KSEDCO surveys, designs and installs wireless networks throughout Georgia. Call (888) 360-0035 to arrange a site survey.