Q4. (25 points): If the strength of signal at 30 m is 8 mW, calculate: a. The strong of the signal at 120 m in mW. b. The loss in mW. c. The lost in dB? (ignoring absorptive attenuation). f3 f1 f2 Note: fi, f2, fz are example frequencies. Figure 1 - A cellular network