When wireless performance issues occur, attention is often focused on the access point model, wireless settings or client devices. However, installation practices can have just as much impact on the success of a deployment. During wireless surveys, troubleshooting engagements and design reviews, the WirelessMancer technical team regularly encounters installations where access point placement or mounting decisions negatively affect coverage and performance.
1. Mounting Access Points Above Suspended Ceilings
Access points are sometimes installed above suspended ceilings to keep them hidden from view or simplify installation.
While this may improve aesthetics, ceiling materials positioned between the access point and users can reduce signal strength and create less predictable coverage patterns. The impact can be even greater when metal ceiling tiles are present, as metal surfaces may reflect, absorb or attenuate wireless signals.
The result can be reduced coverage, inconsistent performance and increased difficulty when troubleshooting wireless issues.
2. Mounting Access Points Too High
Access points are sometimes mounted significantly higher than required in an attempt to maximise coverage across an area.
While elevated mounting positions may appear beneficial, increasing the distance between users and the access point can negatively impact signal quality, achievable data rates and overall wireless performance.
Effective wireless design requires careful consideration of mounting height to ensure both coverage and capacity requirements are met.
3. Installing Access Points Near Large Metal Infrastructure
HVAC systems, pipework, cable trays and other large metal structures can obstruct or influence wireless signal propagation.
Installing access points directly beside these objects can create coverage inconsistencies and make wireless performance less predictable.
Key Takeaways
- Access point placement directly affects wireless performance.
- Metal surfaces can attenuate or reflect RF signals.
- Hidden installations often create coverage challenges.
- Mounting height should support both coverage and capacity requirements.
- Installation quality is just as important as hardware selection.
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