Q4. What does RSSI (Received Signal Strength Indicator) measure in wireless communication systems?
A. The distance between devices
B. The frequency of the received signal
C. The strength of the received radio signal
D. The modulation scheme used in the transmission
Correct Answer: C. The strength of the received radio signal
Explanation:
RSSI quantifies the strength or power level of the received radio signal. It does not directly measure the distance between devices, the frequency of the signal, or the modulation scheme used in transmission.
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