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State the range of frequency access method and modulation type used in AMPS & GSM.
1 Answer
written 5.6 years ago by |
For GSM:
Frequency: Reverse Channel Frequency 890-915MHz, Forward Channel
Frequency 935-960MHz
Access method: TDMA
Modulation: 0.3 GMSK
For AMPS:
Frequency: Reverse Channel Frequency 824-849 MHz, Forward Channel
Frequency 869-894 MHz
Access method: TDMA, FDMA
Modulation: FM modulation