CompTIA Security+ Certification SY0-601: The Total Course - Wi-Fi Coverage and Performance

The video tutorial covers Wi-Fi signal strength, its measurement in decibel milliwatts (DBM), and the importance of conducting Wi-Fi site surveys to ensure optimal network performance. It discusses how atmospheric conditions like rain or sandstorms can affect Wi-Fi signals. The tutorial also explains how to build a cantenna to extend Wi-Fi range and the significance of avoiding channel overlapping to prevent interference. Finally, it demonstrates using the Netspot tool for analyzing Wi-Fi networks and creating heat maps to visualize signal strength.

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