Which type of cellular network technology assigns a unique code to each call and spreads it over the available frequencies?
Time-division multiple access (TDMA)
Code-division multiple access (CDMA)
Space-division multiple access (SDMA)
Frequency-division multiple access (FDMA)
Code-division multiple access (CDMA) technology assigns a unique code to each call and spreads it over the available frequencies. Unlike GSM, which uses a time division method to separate calls, CDMA encodes each call with a unique key and then spreads the calls over the available frequencies in a pseudo-random order, making efficient use of the available bandwidth.
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