Figure 58 Bluetooth interface block diagram
Main RF characteristics
Table 14 Channel numbers and frequencies
System
Channel number
TX frequency
RX frequency
Unit
GSM900
0 < =n <= 124
F = 890 + 0.2*n
F = 935 + 0.2*n
MHz
975 <= n <= 1023
F = 890 + 0.2* (n -
1024)
F = 935 + 0.2*(n
-1024)
MHz
GSM1800
512 <= n <= 885
F = 1710.2 + 0.2* (n -
512)
F = 1805.2 + 0.2*
(n-512)
MHz
GSM1900
512 <= n <= 810
F = 1850.2 + 0.2* (n -
512)
F = 1930.2 + 0.2*
(n-512)
MHz
Table 15 Main RF characteristics
Parameter
Unit and value
Cellular systems
EGSM900/GSM1800/GSM1900
RX Frequency range
EGSM900: 925 ... 960 MHz
GSM1800: 1805...1880 MHz
GSM1900: 1930...1990 MHz
TX Frequency range
EGSM900: 880 ... 915 MHz
GSM1800: 1710 ...1785 MHz
GSM1900: 1850...1910 MHz
Duplex spacing
EGSM900: 45 MHz
GSM1800: 95 MHz
GSM1900: 80 MHz
Channel spacing
200 kHz
RM-237
Nokia Customer Care
System module
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COMPANY CONFIDENTIAL
Issue 1
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