Nokia 3555, Руководство по обслуживанию

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Humidity
Relative humidity range is 5...95%.
The hardware module is not protected against water. Condensed or splashed water might cause malfunction.
Any submerge of the phone will cause permanent damage. Long-term high humidity, with condensation,
will cause permanent damage because of corrosion.
The hardware module complies with the SPR4 Operating Conditions.
Electrical characteristics
Table 6 Normal and extreme voltages
Voltage Voltage (V) Condition
General conditions
Nominal voltage 4.0
Lower extreme voltage 3.06 a
Higher extreme voltage 4.2 b
Min operating voltage
Vcoff+ 3.1 ± 0.1 Off to on
x 2.8 ± 0.1 On to off
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 for GSM850/900/1800/1900 and WCDMA IV (1700) phones (RM-257)
Parameter Unit
Cellular system GSM850, EGSM900, GSM1800/1900, WCDMA IV (1700)
Rx frequency band GSM850: 869 - 894MHz
EGSM900: 925 - 960 MHz
GSM1800: 1805 - 1880 MHz
GSM1900: 1930 - 1990 MHz
WCDMA IV (1700): 2112 - 2153 MHz
Tx frequency band GSM850: 824 - 849MHz
EGSM900: 880 - 915 MHz
GSM1800: 1710 - 1785 MHz
GSM1900: 1850 - 1910 MHz
WCDMA IV (1700): 1712 - 1753 MHz
RM-257; RM-270; RM-277
General information
Issue 1 COMPANY CONFIDENTIAL Page 1 –9
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