Q: RF signals offer relatively short range as compared to light signals. True or false?
Answer: Heavy rain.
Answer: The interference causes the receiver to misunderstand the signal because two signals are present at the same time.
Answer: General examples include cordless phones, microwave ovens, and Bluetooth devices.
Answer: True. The receiver has difficulties with differentiating one bit from another when demodulating high data rate signals because the bits are close together.
Answer: A system that emits light in all directions that reflects off of the ceiling and walls.
Answer: 1 mile.
Answer: Modulation superimposes an information signal onto a carrier signal that has a frequency suitable for propagating through the air.
Answer: Amplitude and phase.