Black Box LWN602A User Manual page 25

Chapter 2: Preparing for a WAN Deployment
Secondary Path
Primary Path
Secondary Path
Figure 2-7. Multipath radio waves.
NOTE: If you would like to learn more about how radio-frequency propagation works or the details of 802.11, Wikipedia provides
excellent background information under the entries "IEEE 802.11," "radio propagation," and "multipath." Additionally,
spending a few hours with a site survey tool such as AirMagnet Surveyor or the Ekahau Site Survey (ESS) and a few test
APs can increase both your familiarity with Wi-Fi propagation and your confidence about how it behaves.
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