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Modulation technique employed by NMT type 1G network is ______?
TDM (Time Domain Multiplexing)
QPSK (Quadrature Phase Shift Keying)
FFSK (Fast Frequency Shift Keying)
BPSK (Binary Phase Shift Keying)
FFSK (Fast Frequency Shift Keying). This digital variation of Frequency Shift Keying (FSK) was developed around 1960. Its characteristic is the shift keying being done at the zero point of the modulating wave. FFSK needs only an extremely small bandwidth and is used for example in Nordic Mobile Telephone (NMT).
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