Wireless principles: RF, nonoverlapping channels, SSIDs, and encryption basics

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By the end you’ll be able to

Explain basic RF concepts relevant to WLANs, including frequency bands, shared medium behavior, interference, and signal coverage at a foundational level.
Identify nonoverlapping channel concepts in common WLAN bands, especially channel planning principles used to reduce co-channel and adjacent-channel interference.
Describe the purpose of the SSID as the logical network name presented to wireless clients.

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Evaluate a simple wireless scenario to identify likely issues related to channel overlap, SSID selection, or missing encryption.

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