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![[Presentation of Materials] Basics of Wireless Engineering 01 "Why Do Radio Waves Propagate?" The Mechanism of Radio Wave Propagation and the Relationship Between Frequency and Wavelength.](https://image.mono.ipros.com/public/catalog/image/01/f21/804318/IPROS2523149750924739831.jpeg?w=120&h=170)
![[Presentation of Materials] Basics of Wireless Engineering 02 "How Far Do Radio Waves Travel?" Calculation Methods for Communication Distance and Comparison by Frequency](https://image.mono.ipros.com/public/catalog/image/01/1f8/804321/IPROS5876571026272829762.jpeg?w=120&h=170)
![[Presentation of Materials] Basics of Wireless Engineering 03 "Let's Ensure Line of Sight for Radio Waves!" Calculation Method of Fresnel Zones and Comparison by Frequency](https://image.mono.ipros.com/public/catalog/image/01/b6b/804323/IPROS12118015268276695653.jpeg?w=120&h=170)