6 Questions
What is the main characteristic of radio waves?
Omnidirectional propagation
Which type of transmission allows higher-frequency signals to radiate upwards into the ionosphere?
Sky propagation
What type of antenna do radio waves use for multicasting?
Omnidirectional antenna
What is the main disadvantage of radio waves?
Susceptible to interference
Which type of wireless transmission involves high-frequency signals being transmitted directly from antennas?
Line-of-sight propagation
What is the characteristic of microwaves?
Limited by line-of-sight
Explore the fundamentals of unguided wireless media in communication, which allows the transmission of electromagnetic waves through free space without physical conductors. Learn about the three types of wireless transmission: ground propagation, sky propagation, and line-of-sight propagation.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
