1.6 RG-19/U is used at 100 MHz with an input power of 10 mW. The receiver sensitivity is1 μW. Compute the maximum length of the communications link. Repeat the computation for the case in which a fiber with a loss of 5 dB/km replaces the coaxial cable. The fiber system's input power and receiver sensitivity are the same as those of the coaxial cable system.