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Wireless & Mobility · Intermediate

Predictive Site Survey

A software-modeled WLAN design built from floor plans, wall attenuation values, and AP models.

Definition

Predictive designs estimate coverage, SNR, channel overlap, and capacity before deployment. Accuracy depends on correct scale and wall attenuation data, often verified with on-site AP-on-a-stick measurements. A post-deployment validation survey is still required.

Exam tip

Predictive surveys must be validated on site.

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