Why is VHF short range?

VHF waves, unlike longer waves, are not strongly reflected from the atmosphere; therefore, they do not bend readily around the Earth’s curvature and cannot be transmitted beyond the horizon. Their range is further limited by their inability to pass through hills or large structures .

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How is RF used in wireless communication?

Wireless transmissions are made up of radio frequency signals, or RF signals, which travel using a variety of movement behaviors (also called propagation behaviors). RF communication starts when radio waves are generated from an RF transmitter and picked up, or “heard” by a receiver at another location .

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What is the frequency of S band?

Radio Frequencies BandApprox. Range of Wavelengths (cm)Approximate FrequenciesS15 – 7.52 – 4 GHzC7.5 – 3.754 – 8 GHzX3.75 – 2.48 – 12 GHzK2.4 – 0.7512 – 40 GHzBasics of Space Flight – Solar System Exploration: NASA Science solarsystem.nasa.gov › basics › chapter6-3

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