Quectel M12 User Manual

M12 Hardware Design
M12_Hardware_Design_V3.3 - 64 -
5. Electrical, reliability and radio characteristics
5.1. Absolute maximum ratings
Absolute maximum ratings for power supply and voltage on digital and analog pins of module are
listed in the following table:
Table 28: Absolute maximum ratings
Parameter
Min
Max
Unit
VBAT
-0.3
4.7
V
Peak current of power supply
0
2
A
RMS current of power supply (during one TDMA-
frame)
0
0.7
A
Voltage at digital pins
-0.3
3.3
V
Voltage at analog pins
-0.3
3.0
V
Voltage at digital/analog pins in POWER DOWN mode
-0.25
0.25
V
5.2. Operating temperature
The operating temperature is listed in the following table:
Table 29: Operating temperature
Parameter
Min
Typ
Max
Unit
Normal temperature
-35
25
+75
℃
Restricted operation
1)
-40 to -35
+75 to +80
℃
Storage temperature
-45
+85
℃
1)
When the module works in the temperature range, the deviation from the GSM specification
may occur. For example, the frequency error or the phase error could increase.
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Quectel M12 Specifications

General

Brand	Quectel
Model	M12
Category	Control Unit
Language	English