How many voice channels are supported for each 30 KHz radio channel in IS-136?

The correct answer is D. Sixteen.

IS-136 is a digital cellular telecommunications standard developed by the Telecommunications Industry Association (TIA). It is also known as Digital AMPS (D-AMPS) or North American TDMA. IS-136 uses a time division multiple access (TDMA) scheme to divide each 30 kHz radio channel into six time slots. This allows for a total of 16 voice channels to be supported on each 30 kHz radio channel.

Option A is incorrect because it states that eight voice channels are supported for each 30 kHz radio channel. This is not the case, as IS-136 supports 16 voice channels per 30 kHz radio channel.

Option B is incorrect because it

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