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Digital Cordless Telephones
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Standard
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CTI/CTI+
Cordless Telephone 2
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DECT
Digital European Cordless Telephone
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PHS
Personal Handy Phone System
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Mobile Frequency Range (MHz)
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CTI: 864/868
CTI+: 885/932
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1880-1900
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1895-1918
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Multiple Access Method
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TDMA/FDM
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TDMA/FDM
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TDMA/FDM
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Duplex Method
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TDD
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TDD
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TDD
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Number of Channels
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40
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10 (12 users/channel)
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300 (4 users/channel)
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Channel Spacing
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100 kHz
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1.728 kHz
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300 kHz
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Modulation
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GFSK
(0.5 Gaussian Filter)
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GFSK
(0.5 Gaussian Filter)
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pi/4 DQPSK
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Channel Bit Rate
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72 kb/s
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1.152 Mb/s
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384 kb/s
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