類比細胞式行動電話世界標準
STANDARD
Mobile Frequency
Range (MHz)
Multiple Access Method
Number of Channels
Channel Spacing
Modulation
Duplex Method
Bit rate
ANALOG CELLULAR TELEPHONES
Advanced Mobile
Phone Services
AMPS
TACS
Total Access
Communication System
Nordic Mobile
Telephone
NMT
RX:869-894
TX:824-849
ETACS:RX:916-949
TX:871-904
NTACS:RX:860-870
TX:915-925
FDMA
FDD
832
30 kHz
FM
n/a
FDMA
FDD
ETACS:1000
NTACS:400
FM
n/a
ETACS:25kHz
NTACS:12.5kHz
NMT-450:RX:463-468
TX:453-458
NMT-900:RX:935-960
TX:890-915
FDMA
FDD
NMT-450 :200
NMT-900:1999
FM
n/a
NMT-450: 25kHz
NMT-900: 12.5kHz
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