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Modulation technique employed by AMPS 1G network is ______?
TDMA - Time Division Multiple Access
FDMA
CDMA
PDMA
Answer(B) . FDMA is a basic technology in the analog Advanced Mobile Phone Service (AMPS), the most widely-installed cellular phone system installed in North America. With FDMA, each channel can be assigned to only one user at a time. FDMA is also used in the Total Access Communication System (TACS).
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