What does "terrestrial microwave" refer to in the context of telecommunications?

• A. Wireless communication via satellite
• B. Microwave communication using ground-based transmission
• C. A specific type of radio frequency
• D. Underwater communication systems

Answer: (B)

"Terrestrial microwave" refers to a method of wireless communication that utilizes microwave signals transmitted between ground-based stations. This technology relies on line-of-sight transmission, often employing parabolic dishes to send and receive high-frequency microwave radio signals. It is highly effective for point-to-point communication links over distances ranging from a few miles to several hundred miles, typically involving repeater stations to extend the range and maintain signal quality.

The correct answer highlights that the transmission is grounded, differentiating terrestrial microwave from satellite communication, which relies on signals being sent to and received from orbiting satellites. Understanding this distinction is crucial for telecommunications technicians as terrestrial microwave remains a vital component of modern communication infrastructures, particularly in settings where laying cables is impractical.