Sony-ericsson GC79 User Manual Page 68

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68 Additional Information
Operating System Support
Supplied Software (on CD-ROM)
GSM Performance and technical characteristics
Supported Operating
Systems
Microsoft Windows
®
98SE
Microsoft Windows
®
Me
Microsoft Windows
®
2000 (SP4)
Microsoft Windows
®
XP
Minimum PC
Specification
Processor size as recommended by Microsoft for the
version of Windows
®
in use
30 MB free disk space
Drivers Microsoft WHQL-approved for Windows 2000 and XP
Wireless Manager Status, SMS, Address Book and Settings
Documentation User Manual
AT Command Reference
Dimension GSM 900/
E-GSM 900
GSM 1800 GSM 1900
Frequency
Range
TX: 880 – 914 MHz
RX: 925 – 959 MHz
TX: 1710 – 1785 MHz
RX: 1805 – 1880 MHz
TX: 1850 – 1910 MHz
RX: 1930 – 1990 MHz
Channel
Spacing
200 kHz 200 kHz 200 kHz
Number of
Channels
175 Carriers * 8
(TDMA)
374 Carriers * 8
(TDMA)
299 Carriers * 8
(TDMA)
Modulation GMSK GMSK GMSK
TX Phase
Accuracy
5 degrees (RMS)
20 degrees (Peak)
5 degrees (RMS)
20 degrees (Peak)
5 degrees (RMS)
20 degrees (Peak)
Duplex
spacing
45 MHz 95 MHz 80 MHz
Frequency
Stability
0.1ppm 0.1ppm 0.1ppm
Transmitter
RF Power
Output
33 dBm Class 4
2 W peak
30 dBm Class 1
1 W peak
30 dBm Class 1
1 W peak
Transmitter
Output
Impedance
50
50 50
Transmitter
Spurious
Emission
According to GSM
specification
According to GSM
specification
According to GSM
specification
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