4. short answers a. What is the effective antenna area of an antenna at 2500 MHz, if the gain is 13 dBi. b. For a WCDMA handset with 7 dB noise figure and 5 MHz effective noise bandwidth, calculate the noise floor in dBm. c. An NBA basketball player is close to 2 meters tall, and an “Umpa-Lumpa” from the movie “Willie Wonka” is 0.5 meters tall. Assuming 2-ray propagation model, what is the ratio of the signal strength received by the two people?

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