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Because of the compatibility with AMPS, USDC is also known as ___________

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Because of the compatibility with AMPS, USDC is also known as ___________

(a) SADC

(b) PADC

(c) D-AMPS

(d) K-AMPS

This question was addressed to me during an interview for a job.

My question is taken from United States Digital Cellular (IS-54 and IS-136) topic in section Wireless Systems and Standards of Wireless/Mobile

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Best answer
Right choice is (c) D-AMPS

Explanation: USDC (United States Digital Cellular System) maintains compatibility with AMPS in a number of ways. Therefore, USDC is also known as D-AMPS (digital AMPS).

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