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RM-82
System module
Electrical characteristics
Voltage
Nominal voltage
Lower extreme voltage
Higher extreme voltage
Vmstr+
Vmstr-
SW shutdown
SW shutdown
Vcoff+
Vcoff-
a. ADC settings in the SW might shutdown the phone above this value.
b. During fast charging of an empty battery, this voltage might exceed this value. Voltages between 4.20 and
4.60 might appear for a short while.
Main RF characteristics
System
Channel number TX frequency
GSM900
0 < =n <= 124
975 <= n <= 1023
GSM1800
512 <= n <= 885
GSM1900
512 <= n <= 810
Parameter
Cellular systems
Issue 1
Table 17 Normal and extreme voltages
Voltage (V)
General conditions
3.700
3.145
4.230
HW shutdown voltages
2.1 ± 0,1
1.9 ± 0,1
SW shutdown voltages
3.1
3.2
Min operating voltage
3. 1 ± 0,1
2. 8 ± 0,1
Table 18 Channel numbers and frequencies
F = 890 + 0.2*n
F = 890 + 0.2* (n -
1024)
F = 1710.2 + 0.2*
(n - 512)
F = 1850.2 + 0.2*
(n - 512)
Table 19 Main RF characteristics
Unit and value
EGSM900/GSM1800/GSM1900
COMPANY CONFIDENTIAL
Copyright © 2005 Nokia. All rights reserved.
Condition
a
b
Off to on
On to off
In call
In idle
Off to on
On to off
RX frequency
F = 935 + 0.2*n
F = 935 + 0.2*(n -1024)
F = 1805.2 + 0.2* (n-512)
F = 1930.2 + 0.2* (n-512)
Nokia Customer Care
Unit
MHz
MHz
MHz
MHz
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