Choose the correct answer: In satellite communication,
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → the frequency used lies between 3 GHz to 8 GHz
(1) frequency used in satellite communication lies between 1 GHz to 30 GHz.
(2) Up link and down link frequencies are different.
(3) The space wave mode of propagation is used.
(4) Attenuation ∝ Frequency