Technical specifications
Main RF characteristics for GSM band phone
Parameter Unit
Cellular system GSM850, EGSM900, GSM1800, GSM1900
RX Frequency band GSM850: 869 - 894 MHz
EGSM900: 925 - 960 MHz
GSM1800: 1805 - 1880 MHz
GSM1900: 1930 - 1990 MHz
TX Frequency band GSM850: 824 – 849 MHz
EGSM900: 880 – 915 MHz
GSM1800: 1710 – 1785 MHz
GSM1900: 1850 – 1910 MHz
Number of RF channels GSM850: 124 (ARFCN 128-251)
EGSM: 174 (ARFCN 975-1023, 1-124)
GSM1800: 374 (ARFCN 512-885)
GSM1900: 299 (ARFCN 512-810)
Channel spacing 200 kHz
Number of Tx power levels GSM850: 15
GSM900: 15
GSM1800: 16
GSM1900: 16
Environmental conditions
Environmental
condition
Ambient temperature Notes
Normal operation
-15
o
C ... +55
o
C
Specifications fulfilled
Reduced performance
55
o
C ... +70
o
C and -30°C ... - 15°C
Operational only for short periods
Intermittent or no
operation
-40
o
C ... -15
o
C and +70
o
C ... +85
o
C
Operation not guaranteed but an
attempt to operate will not damage
the phone
No operation or
storage
<-40
o
C and >+85
o
C
No storage. An attempt to operate
may cause permanent damage
Charging allowed
-10
o
C ... +60
o
C
Long term storage
conditions
0
o
C ... +85
o
C
RM-497
System Module
Page 5 – 44 COMPANY CONFIDENTIAL Issue 1
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