Environmental conditions
Environmental
condition
Ambient temperature
Notes
Normal operation
-15
o
C ... +55
o
C
Specifications fulfilled
Reduced performance
-30 ...15
o
C and +55
o
C ... +70
o
C
Operational only for short periods
Intermittent or no
operation
-40
o
C ... -30
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
-15
o
C ... +55
o
C
Long term storage
conditions
0
o
C ... +85
o
C
Humidity and water
resistance
Relative humidity range is 5 to 95%.
Condensed or dripping water may
cause intermittent malfunctions.
Protection against dripping water
has to be implemented in (enclosure)
mechanics.
Continuous dampness will cause
permanent damage to the module.
Electrical characteristics
Table 5 Normal and extreme voltages
Voltage
Voltage (V)
Condition
General conditions
Nominal voltage
3.90V
a
Lower extreme voltage
3.30V
b
Higher extreme voltage
4.30V
c
HW shutdown voltages
Vmstr+
2.1V ± 0,1V
Off to on
Vmstr-
1.9V ± 0,1V
On to off
SW shutdown voltages
SW shutdown
3. 1V
In call
SW shutdown
3. 2V
In idle
Min operating voltage
Vcoff+
3. 1V ± 0,1V
Off to on
RM-291
Nokia Customer Care
General information
Page 1 –8
COMPANY CONFIDENTIAL
Issue 1
Copyright © 2007 Nokia. All rights reserved.
