Q4. (25 points): If the strength of signal at 30 m is 8 mW, calculate:

1. The strong of the signal at 120 m in mW.
2. The loss in mW.
3. The lost in dB? (ignoring absorptive attenuation).

f3 fi f2 Note: fi, f2, f3 are example frequencies. Figure 1 - A cellular network